Home / 125,705.00-173,444.54-74,755.19

Finding the Fourth Proportional to 125,705.00, 173,444.54 and 74,755.19

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Solution

The fourth proportional to 125,705.00, 173,444.54 and 74,755.19 is: 103,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705.00 : 173,444.54 = 74,755.19 : x
  2. Step 2: Convert to fraction form
    125,705.00/173,444.54 = 74,755.19/x
  3. Step 3: Cross multiply
    125,705.00x = 173,444.54 × 74,755.19
  4. Step 4: Simplify right side
    125,705.00x = 12,965,878,301.16
  5. Step 5: Solve for x
    x = 12,965,878,301.16/125,705.00
  6. Step 6: Final answer
    x = 103,145.29

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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.