Home / 117,103.50-175,654.95-90,488.19

Finding the Fourth Proportional to 117,103.50, 175,654.95 and 90,488.19

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Solution

The fourth proportional to 117,103.50, 175,654.95 and 90,488.19 is: 135,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,103.50 : 175,654.95 = 90,488.19 : x
  2. Step 2: Convert to fraction form
    117,103.50/175,654.95 = 90,488.19/x
  3. Step 3: Cross multiply
    117,103.50x = 175,654.95 × 90,488.19
  4. Step 4: Simplify right side
    117,103.50x = 15,894,698,490.04
  5. Step 5: Solve for x
    x = 15,894,698,490.04/117,103.50
  6. Step 6: Final answer
    x = 135,732.05

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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.