Home / 400,965.26-601,503.17-134,746.40

Finding the Fourth Proportional to 400,965.26, 601,503.17 and 134,746.40

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Solution

The fourth proportional to 400,965.26, 601,503.17 and 134,746.40 is: 202,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,965.26 : 601,503.17 = 134,746.40 : x
  2. Step 2: Convert to fraction form
    400,965.26/601,503.17 = 134,746.40/x
  3. Step 3: Cross multiply
    400,965.26x = 601,503.17 × 134,746.40
  4. Step 4: Simplify right side
    400,965.26x = 81,050,387,576.11
  5. Step 5: Solve for x
    x = 81,050,387,576.11/400,965.26
  6. Step 6: Final answer
    x = 202,138.18

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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.