Home / 156,701.34-216,259.29-87,796.85

Finding the Fourth Proportional to 156,701.34, 216,259.29 and 87,796.85

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Solution

The fourth proportional to 156,701.34, 216,259.29 and 87,796.85 is: 121,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,701.34 : 216,259.29 = 87,796.85 : x
  2. Step 2: Convert to fraction form
    156,701.34/216,259.29 = 87,796.85/x
  3. Step 3: Cross multiply
    156,701.34x = 216,259.29 × 87,796.85
  4. Step 4: Simplify right side
    156,701.34x = 18,986,884,445.24
  5. Step 5: Solve for x
    x = 18,986,884,445.24/156,701.34
  6. Step 6: Final answer
    x = 121,166.06

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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.