Home / 130,702.14-195,742.17-75,181.50

Finding the Fourth Proportional to 130,702.14, 195,742.17 and 75,181.50

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Solution

The fourth proportional to 130,702.14, 195,742.17 and 75,181.50 is: 112,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,702.14 : 195,742.17 = 75,181.50 : x
  2. Step 2: Convert to fraction form
    130,702.14/195,742.17 = 75,181.50/x
  3. Step 3: Cross multiply
    130,702.14x = 195,742.17 × 75,181.50
  4. Step 4: Simplify right side
    130,702.14x = 14,716,189,953.86
  5. Step 5: Solve for x
    x = 14,716,189,953.86/130,702.14
  6. Step 6: Final answer
    x = 112,593.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.