Home / 160,776.03-221,879.78-89,154.52

Finding the Fourth Proportional to 160,776.03, 221,879.78 and 89,154.52

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Solution

The fourth proportional to 160,776.03, 221,879.78 and 89,154.52 is: 123,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,776.03 : 221,879.78 = 89,154.52 : x
  2. Step 2: Convert to fraction form
    160,776.03/221,879.78 = 89,154.52/x
  3. Step 3: Cross multiply
    160,776.03x = 221,879.78 × 89,154.52
  4. Step 4: Simplify right side
    160,776.03x = 19,781,585,283.61
  5. Step 5: Solve for x
    x = 19,781,585,283.61/160,776.03
  6. Step 6: Final answer
    x = 123,038.15

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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.