Home / 130,151.16-179,593.80-73,562.40

Finding the Fourth Proportional to 130,151.16, 179,593.80 and 73,562.40

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Solution

The fourth proportional to 130,151.16, 179,593.80 and 73,562.40 is: 101,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,151.16 : 179,593.80 = 73,562.40 : x
  2. Step 2: Convert to fraction form
    130,151.16/179,593.80 = 73,562.40/x
  3. Step 3: Cross multiply
    130,151.16x = 179,593.80 × 73,562.40
  4. Step 4: Simplify right side
    130,151.16x = 13,211,350,953.12
  5. Step 5: Solve for x
    x = 13,211,350,953.12/130,151.16
  6. Step 6: Final answer
    x = 101,507.75

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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.