Home / 125,925.41-173,792.09-74,254.19

Finding the Fourth Proportional to 125,925.41, 173,792.09 and 74,254.19

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Solution

The fourth proportional to 125,925.41, 173,792.09 and 74,254.19 is: 102,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,925.41 : 173,792.09 = 74,254.19 : x
  2. Step 2: Convert to fraction form
    125,925.41/173,792.09 = 74,254.19/x
  3. Step 3: Cross multiply
    125,925.41x = 173,792.09 × 74,254.19
  4. Step 4: Simplify right side
    125,925.41x = 12,904,790,871.36
  5. Step 5: Solve for x
    x = 12,904,790,871.36/125,925.41
  6. Step 6: Final answer
    x = 102,479.64

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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.