Home / 160,401.02-221,348.99-91,488.92

Finding the Fourth Proportional to 160,401.02, 221,348.99 and 91,488.92

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Solution

The fourth proportional to 160,401.02, 221,348.99 and 91,488.92 is: 126,252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,401.02 : 221,348.99 = 91,488.92 : x
  2. Step 2: Convert to fraction form
    160,401.02/221,348.99 = 91,488.92/x
  3. Step 3: Cross multiply
    160,401.02x = 221,348.99 × 91,488.92
  4. Step 4: Simplify right side
    160,401.02x = 20,250,979,160.17
  5. Step 5: Solve for x
    x = 20,250,979,160.17/160,401.02
  6. Step 6: Final answer
    x = 126,252.19

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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.