Home / 156,277.22-215,663.60-84,657.20

Finding the Fourth Proportional to 156,277.22, 215,663.60 and 84,657.20

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Solution

The fourth proportional to 156,277.22, 215,663.60 and 84,657.20 is: 116,827.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,277.22 : 215,663.60 = 84,657.20 : x
  2. Step 2: Convert to fraction form
    156,277.22/215,663.60 = 84,657.20/x
  3. Step 3: Cross multiply
    156,277.22x = 215,663.60 × 84,657.20
  4. Step 4: Simplify right side
    156,277.22x = 18,257,475,651.25
  5. Step 5: Solve for x
    x = 18,257,475,651.25/156,277.22
  6. Step 6: Final answer
    x = 116,827.49

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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.