Home / 97,117.60-145,330.80-88,823.20

Finding the Fourth Proportional to 97,117.60, 145,330.80 and 88,823.20

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Solution

The fourth proportional to 97,117.60, 145,330.80 and 88,823.20 is: 132,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,117.60 : 145,330.80 = 88,823.20 : x
  2. Step 2: Convert to fraction form
    97,117.60/145,330.80 = 88,823.20/x
  3. Step 3: Cross multiply
    97,117.60x = 145,330.80 × 88,823.20
  4. Step 4: Simplify right side
    97,117.60x = 12,908,746,714.56
  5. Step 5: Solve for x
    x = 12,908,746,714.56/97,117.60
  6. Step 6: Final answer
    x = 132,918.72

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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.