Home / 88,156.18-132,206.19-28,978.17

Finding the Fourth Proportional to 88,156.18, 132,206.19 and 28,978.17

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Solution

The fourth proportional to 88,156.18, 132,206.19 and 28,978.17 is: 43,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,156.18 : 132,206.19 = 28,978.17 : x
  2. Step 2: Convert to fraction form
    88,156.18/132,206.19 = 28,978.17/x
  3. Step 3: Cross multiply
    88,156.18x = 132,206.19 × 28,978.17
  4. Step 4: Simplify right side
    88,156.18x = 3,831,093,448.87
  5. Step 5: Solve for x
    x = 3,831,093,448.87/88,156.18
  6. Step 6: Final answer
    x = 43,458.02

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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.