Home / 88,117.17-132,197.29-28,145.66

Finding the Fourth Proportional to 88,117.17, 132,197.29 and 28,145.66

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Solution

The fourth proportional to 88,117.17, 132,197.29 and 28,145.66 is: 42,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,117.17 : 132,197.29 = 28,145.66 : x
  2. Step 2: Convert to fraction form
    88,117.17/132,197.29 = 28,145.66/x
  3. Step 3: Cross multiply
    88,117.17x = 132,197.29 × 28,145.66
  4. Step 4: Simplify right side
    88,117.17x = 3,720,779,392.23
  5. Step 5: Solve for x
    x = 3,720,779,392.23/88,117.17
  6. Step 6: Final answer
    x = 42,225.36

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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.