Home / 136,016.54-187,702.10-74,764.14

Finding the Fourth Proportional to 136,016.54, 187,702.10 and 74,764.14

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Solution

The fourth proportional to 136,016.54, 187,702.10 and 74,764.14 is: 103,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,016.54 : 187,702.10 = 74,764.14 : x
  2. Step 2: Convert to fraction form
    136,016.54/187,702.10 = 74,764.14/x
  3. Step 3: Cross multiply
    136,016.54x = 187,702.10 × 74,764.14
  4. Step 4: Simplify right side
    136,016.54x = 14,033,386,082.69
  5. Step 5: Solve for x
    x = 14,033,386,082.69/136,016.54
  6. Step 6: Final answer
    x = 103,174.11

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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.