Home / 125,095.14-172,603.62-74,082.42

Finding the Fourth Proportional to 125,095.14, 172,603.62 and 74,082.42

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Solution

The fourth proportional to 125,095.14, 172,603.62 and 74,082.42 is: 102,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,095.14 : 172,603.62 = 74,082.42 : x
  2. Step 2: Convert to fraction form
    125,095.14/172,603.62 = 74,082.42/x
  3. Step 3: Cross multiply
    125,095.14x = 172,603.62 × 74,082.42
  4. Step 4: Simplify right side
    125,095.14x = 12,786,893,870.36
  5. Step 5: Solve for x
    x = 12,786,893,870.36/125,095.14
  6. Step 6: Final answer
    x = 102,217.35

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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.