Home / 156,851.35-216,437.29-88,853.76

Finding the Fourth Proportional to 156,851.35, 216,437.29 and 88,853.76

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Solution

The fourth proportional to 156,851.35, 216,437.29 and 88,853.76 is: 122,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,851.35 : 216,437.29 = 88,853.76 : x
  2. Step 2: Convert to fraction form
    156,851.35/216,437.29 = 88,853.76/x
  3. Step 3: Cross multiply
    156,851.35x = 216,437.29 × 88,853.76
  4. Step 4: Simplify right side
    156,851.35x = 19,231,266,559.36
  5. Step 5: Solve for x
    x = 19,231,266,559.36/156,851.35
  6. Step 6: Final answer
    x = 122,608.23

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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.