Home / 115,767.60-173,651.40-89,523.60

Finding the Fourth Proportional to 115,767.60, 173,651.40 and 89,523.60

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Solution

The fourth proportional to 115,767.60, 173,651.40 and 89,523.60 is: 134,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,767.60 : 173,651.40 = 89,523.60 : x
  2. Step 2: Convert to fraction form
    115,767.60/173,651.40 = 89,523.60/x
  3. Step 3: Cross multiply
    115,767.60x = 173,651.40 × 89,523.60
  4. Step 4: Simplify right side
    115,767.60x = 15,545,898,473.04
  5. Step 5: Solve for x
    x = 15,545,898,473.04/115,767.60
  6. Step 6: Final answer
    x = 134,285.40

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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.