Home / 117,610.53-162,191.88-90,710.43

Finding the Fourth Proportional to 117,610.53, 162,191.88 and 90,710.43

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Solution

The fourth proportional to 117,610.53, 162,191.88 and 90,710.43 is: 125,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,610.53 : 162,191.88 = 90,710.43 : x
  2. Step 2: Convert to fraction form
    117,610.53/162,191.88 = 90,710.43/x
  3. Step 3: Cross multiply
    117,610.53x = 162,191.88 × 90,710.43
  4. Step 4: Simplify right side
    117,610.53x = 14,712,495,177.31
  5. Step 5: Solve for x
    x = 14,712,495,177.31/117,610.53
  6. Step 6: Final answer
    x = 125,095.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.