Home / 125,840.04-173,693.30-74,202.16

Finding the Fourth Proportional to 125,840.04, 173,693.30 and 74,202.16

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Solution

The fourth proportional to 125,840.04, 173,693.30 and 74,202.16 is: 102,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,840.04 : 173,693.30 = 74,202.16 : x
  2. Step 2: Convert to fraction form
    125,840.04/173,693.30 = 74,202.16/x
  3. Step 3: Cross multiply
    125,840.04x = 173,693.30 × 74,202.16
  4. Step 4: Simplify right side
    125,840.04x = 12,888,418,037.53
  5. Step 5: Solve for x
    x = 12,888,418,037.53/125,840.04
  6. Step 6: Final answer
    x = 102,419.06

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1.5x scale

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.