Home / 140,736.18-194,214.39-77,070.18

Finding the Fourth Proportional to 140,736.18, 194,214.39 and 77,070.18

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Solution

The fourth proportional to 140,736.18, 194,214.39 and 77,070.18 is: 106,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,736.18 : 194,214.39 = 77,070.18 : x
  2. Step 2: Convert to fraction form
    140,736.18/194,214.39 = 77,070.18/x
  3. Step 3: Cross multiply
    140,736.18x = 194,214.39 × 77,070.18
  4. Step 4: Simplify right side
    140,736.18x = 14,968,137,995.89
  5. Step 5: Solve for x
    x = 14,968,137,995.89/140,736.18
  6. Step 6: Final answer
    x = 106,356.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.