Home / 156,923.90-216,550.43-88,947.14

Finding the Fourth Proportional to 156,923.90, 216,550.43 and 88,947.14

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Solution

The fourth proportional to 156,923.90, 216,550.43 and 88,947.14 is: 122,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.90 : 216,550.43 = 88,947.14 : x
  2. Step 2: Convert to fraction form
    156,923.90/216,550.43 = 88,947.14/x
  3. Step 3: Cross multiply
    156,923.90x = 216,550.43 × 88,947.14
  4. Step 4: Simplify right side
    156,923.90x = 19,261,539,886.78
  5. Step 5: Solve for x
    x = 19,261,539,886.78/156,923.90
  6. Step 6: Final answer
    x = 122,744.46

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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.