Home / 160,817.58-221,909.22-89,180.10

Finding the Fourth Proportional to 160,817.58, 221,909.22 and 89,180.10

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Solution

The fourth proportional to 160,817.58, 221,909.22 and 89,180.10 is: 123,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,817.58 : 221,909.22 = 89,180.10 : x
  2. Step 2: Convert to fraction form
    160,817.58/221,909.22 = 89,180.10/x
  3. Step 3: Cross multiply
    160,817.58x = 221,909.22 × 89,180.10
  4. Step 4: Simplify right side
    160,817.58x = 19,789,886,430.52
  5. Step 5: Solve for x
    x = 19,789,886,430.52/160,817.58
  6. Step 6: Final answer
    x = 123,057.98

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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.