Home / 160,816.77-221,938.92-89,210.34

Finding the Fourth Proportional to 160,816.77, 221,938.92 and 89,210.34

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Solution

The fourth proportional to 160,816.77, 221,938.92 and 89,210.34 is: 123,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,816.77 : 221,938.92 = 89,210.34 : x
  2. Step 2: Convert to fraction form
    160,816.77/221,938.92 = 89,210.34/x
  3. Step 3: Cross multiply
    160,816.77x = 221,938.92 × 89,210.34
  4. Step 4: Simplify right side
    160,816.77x = 19,799,246,512.43
  5. Step 5: Solve for x
    x = 19,799,246,512.43/160,816.77
  6. Step 6: Final answer
    x = 123,116.80

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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.