Home / 156,001.46-215,263.51-88,014.47

Finding the Fourth Proportional to 156,001.46, 215,263.51 and 88,014.47

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Solution

The fourth proportional to 156,001.46, 215,263.51 and 88,014.47 is: 121,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,001.46 : 215,263.51 = 88,014.47 : x
  2. Step 2: Convert to fraction form
    156,001.46/215,263.51 = 88,014.47/x
  3. Step 3: Cross multiply
    156,001.46x = 215,263.51 × 88,014.47
  4. Step 4: Simplify right side
    156,001.46x = 18,946,302,446.64
  5. Step 5: Solve for x
    x = 18,946,302,446.64/156,001.46
  6. Step 6: Final answer
    x = 121,449.52

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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.