Home / 514,051.20-771,076.62-140,074.20

Finding the Fourth Proportional to 514,051.20, 771,076.62 and 140,074.20

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Solution

The fourth proportional to 514,051.20, 771,076.62 and 140,074.20 is: 210,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,051.20 : 771,076.62 = 140,074.20 : x
  2. Step 2: Convert to fraction form
    514,051.20/771,076.62 = 140,074.20/x
  3. Step 3: Cross multiply
    514,051.20x = 771,076.62 × 140,074.20
  4. Step 4: Simplify right side
    514,051.20x = 108,007,940,685.20
  5. Step 5: Solve for x
    x = 108,007,940,685.20/514,051.20
  6. Step 6: Final answer
    x = 210,111.25

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.