Home / 108,120.61-149,276.65-96,770.42

Finding the Fourth Proportional to 108,120.61, 149,276.65 and 96,770.42

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Solution

The fourth proportional to 108,120.61, 149,276.65 and 96,770.42 is: 133,606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,120.61 : 149,276.65 = 96,770.42 : x
  2. Step 2: Convert to fraction form
    108,120.61/149,276.65 = 96,770.42/x
  3. Step 3: Cross multiply
    108,120.61x = 149,276.65 × 96,770.42
  4. Step 4: Simplify right side
    108,120.61x = 14,445,564,017.29
  5. Step 5: Solve for x
    x = 14,445,564,017.29/108,120.61
  6. Step 6: Final answer
    x = 133,606.02

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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.