Home / 156,259.20-215,633.57-88,283.19

Finding the Fourth Proportional to 156,259.20, 215,633.57 and 88,283.19

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Solution

The fourth proportional to 156,259.20, 215,633.57 and 88,283.19 is: 121,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,259.20 : 215,633.57 = 88,283.19 : x
  2. Step 2: Convert to fraction form
    156,259.20/215,633.57 = 88,283.19/x
  3. Step 3: Cross multiply
    156,259.20x = 215,633.57 × 88,283.19
  4. Step 4: Simplify right side
    156,259.20x = 19,036,818,989.27
  5. Step 5: Solve for x
    x = 19,036,818,989.27/156,259.20
  6. Step 6: Final answer
    x = 121,828.47

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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.