Home / 159,528.12-220,153.84-91,557.50

Finding the Fourth Proportional to 159,528.12, 220,153.84 and 91,557.50

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Solution

The fourth proportional to 159,528.12, 220,153.84 and 91,557.50 is: 126,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,528.12 : 220,153.84 = 91,557.50 : x
  2. Step 2: Convert to fraction form
    159,528.12/220,153.84 = 91,557.50/x
  3. Step 3: Cross multiply
    159,528.12x = 220,153.84 × 91,557.50
  4. Step 4: Simplify right side
    159,528.12x = 20,156,735,205.80
  5. Step 5: Solve for x
    x = 20,156,735,205.80/159,528.12
  6. Step 6: Final answer
    x = 126,352.24

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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.