Home / 514,201.44-771,279.60-140,223.20

Finding the Fourth Proportional to 514,201.44, 771,279.60 and 140,223.20

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Solution

The fourth proportional to 514,201.44, 771,279.60 and 140,223.20 is: 210,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,201.44 : 771,279.60 = 140,223.20 : x
  2. Step 2: Convert to fraction form
    514,201.44/771,279.60 = 140,223.20/x
  3. Step 3: Cross multiply
    514,201.44x = 771,279.60 × 140,223.20
  4. Step 4: Simplify right side
    514,201.44x = 108,151,293,606.72
  5. Step 5: Solve for x
    x = 108,151,293,606.72/514,201.44
  6. Step 6: Final answer
    x = 210,328.65

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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.