Home / 130,557.06-180,167.20-73,196.10

Finding the Fourth Proportional to 130,557.06, 180,167.20 and 73,196.10

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Solution

The fourth proportional to 130,557.06, 180,167.20 and 73,196.10 is: 101,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,557.06 : 180,167.20 = 73,196.10 : x
  2. Step 2: Convert to fraction form
    130,557.06/180,167.20 = 73,196.10/x
  3. Step 3: Cross multiply
    130,557.06x = 180,167.20 × 73,196.10
  4. Step 4: Simplify right side
    130,557.06x = 13,187,536,387.92
  5. Step 5: Solve for x
    x = 13,187,536,387.92/130,557.06
  6. Step 6: Final answer
    x = 101,009.75

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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.