Home / 156,294.04-215,685.60-84,675.88

Finding the Fourth Proportional to 156,294.04, 215,685.60 and 84,675.88

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Solution

The fourth proportional to 156,294.04, 215,685.60 and 84,675.88 is: 116,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,294.04 : 215,685.60 = 84,675.88 : x
  2. Step 2: Convert to fraction form
    156,294.04/215,685.60 = 84,675.88/x
  3. Step 3: Cross multiply
    156,294.04x = 215,685.60 × 84,675.88
  4. Step 4: Simplify right side
    156,294.04x = 18,263,367,983.33
  5. Step 5: Solve for x
    x = 18,263,367,983.33/156,294.04
  6. Step 6: Final answer
    x = 116,852.62

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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.