Home / 130,045.53-195,107.64-92,168.07

Finding the Fourth Proportional to 130,045.53, 195,107.64 and 92,168.07

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Solution

The fourth proportional to 130,045.53, 195,107.64 and 92,168.07 is: 138,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045.53 : 195,107.64 = 92,168.07 : x
  2. Step 2: Convert to fraction form
    130,045.53/195,107.64 = 92,168.07/x
  3. Step 3: Cross multiply
    130,045.53x = 195,107.64 × 92,168.07
  4. Step 4: Simplify right side
    130,045.53x = 17,982,693,543.77
  5. Step 5: Solve for x
    x = 17,982,693,543.77/130,045.53
  6. Step 6: Final answer
    x = 138,279.98

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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.