Home / 108,746.40-162,925.20-88,917.60

Finding the Fourth Proportional to 108,746.40, 162,925.20 and 88,917.60

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Solution

The fourth proportional to 108,746.40, 162,925.20 and 88,917.60 is: 133,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,746.40 : 162,925.20 = 88,917.60 : x
  2. Step 2: Convert to fraction form
    108,746.40/162,925.20 = 88,917.60/x
  3. Step 3: Cross multiply
    108,746.40x = 162,925.20 × 88,917.60
  4. Step 4: Simplify right side
    108,746.40x = 14,486,917,763.52
  5. Step 5: Solve for x
    x = 14,486,917,763.52/108,746.40
  6. Step 6: Final answer
    x = 133,217.45

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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.