Home / 115,501.20-173,251.80-101,216.40

Finding the Fourth Proportional to 115,501.20, 173,251.80 and 101,216.40

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Solution

The fourth proportional to 115,501.20, 173,251.80 and 101,216.40 is: 151,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501.20 : 173,251.80 = 101,216.40 : x
  2. Step 2: Convert to fraction form
    115,501.20/173,251.80 = 101,216.40/x
  3. Step 3: Cross multiply
    115,501.20x = 173,251.80 × 101,216.40
  4. Step 4: Simplify right side
    115,501.20x = 17,535,923,489.52
  5. Step 5: Solve for x
    x = 17,535,923,489.52/115,501.20
  6. Step 6: Final answer
    x = 151,824.60

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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.