Home / 156,905.74-216,529.05-88,935.57

Finding the Fourth Proportional to 156,905.74, 216,529.05 and 88,935.57

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Solution

The fourth proportional to 156,905.74, 216,529.05 and 88,935.57 is: 122,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.74 : 216,529.05 = 88,935.57 : x
  2. Step 2: Convert to fraction form
    156,905.74/216,529.05 = 88,935.57/x
  3. Step 3: Cross multiply
    156,905.74x = 216,529.05 × 88,935.57
  4. Step 4: Simplify right side
    156,905.74x = 19,257,134,316.55
  5. Step 5: Solve for x
    x = 19,257,134,316.55/156,905.74
  6. Step 6: Final answer
    x = 122,730.59

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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.