Home / 125,741.72-173,520.10-69,153.14

Finding the Fourth Proportional to 125,741.72, 173,520.10 and 69,153.14

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Solution

The fourth proportional to 125,741.72, 173,520.10 and 69,153.14 is: 95,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,741.72 : 173,520.10 = 69,153.14 : x
  2. Step 2: Convert to fraction form
    125,741.72/173,520.10 = 69,153.14/x
  3. Step 3: Cross multiply
    125,741.72x = 173,520.10 × 69,153.14
  4. Step 4: Simplify right side
    125,741.72x = 11,999,459,768.11
  5. Step 5: Solve for x
    x = 11,999,459,768.11/125,741.72
  6. Step 6: Final answer
    x = 95,429.42

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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.