Home / 108,569.20-162,853.80-98,892.40

Finding the Fourth Proportional to 108,569.20, 162,853.80 and 98,892.40

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Solution

The fourth proportional to 108,569.20, 162,853.80 and 98,892.40 is: 148,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,569.20 : 162,853.80 = 98,892.40 : x
  2. Step 2: Convert to fraction form
    108,569.20/162,853.80 = 98,892.40/x
  3. Step 3: Cross multiply
    108,569.20x = 162,853.80 × 98,892.40
  4. Step 4: Simplify right side
    108,569.20x = 16,105,003,131.12
  5. Step 5: Solve for x
    x = 16,105,003,131.12/108,569.20
  6. Step 6: Final answer
    x = 148,338.60

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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.