Home / 282,645.10-423,838.05-124,792.30

Finding the Fourth Proportional to 282,645.10, 423,838.05 and 124,792.30

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Solution

The fourth proportional to 282,645.10, 423,838.05 and 124,792.30 is: 187,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,645.10 : 423,838.05 = 124,792.30 : x
  2. Step 2: Convert to fraction form
    282,645.10/423,838.05 = 124,792.30/x
  3. Step 3: Cross multiply
    282,645.10x = 423,838.05 × 124,792.30
  4. Step 4: Simplify right side
    282,645.10x = 52,891,725,087.02
  5. Step 5: Solve for x
    x = 52,891,725,087.02/282,645.10
  6. Step 6: Final answer
    x = 187,131.23

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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.