Home / 115,601.60-173,402.40-89,357.60

Finding the Fourth Proportional to 115,601.60, 173,402.40 and 89,357.60

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Solution

The fourth proportional to 115,601.60, 173,402.40 and 89,357.60 is: 134,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,601.60 : 173,402.40 = 89,357.60 : x
  2. Step 2: Convert to fraction form
    115,601.60/173,402.40 = 89,357.60/x
  3. Step 3: Cross multiply
    115,601.60x = 173,402.40 × 89,357.60
  4. Step 4: Simplify right side
    115,601.60x = 15,494,822,298.24
  5. Step 5: Solve for x
    x = 15,494,822,298.24/115,601.60
  6. Step 6: Final answer
    x = 134,036.40

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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.