Home / 160,711.46-221,761.32-89,090.84

Finding the Fourth Proportional to 160,711.46, 221,761.32 and 89,090.84

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Solution

The fourth proportional to 160,711.46, 221,761.32 and 89,090.84 is: 122,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,711.46 : 221,761.32 = 89,090.84 : x
  2. Step 2: Convert to fraction form
    160,711.46/221,761.32 = 89,090.84/x
  3. Step 3: Cross multiply
    160,711.46x = 221,761.32 × 89,090.84
  4. Step 4: Simplify right side
    160,711.46x = 19,756,902,278.31
  5. Step 5: Solve for x
    x = 19,756,902,278.31/160,711.46
  6. Step 6: Final answer
    x = 122,934.00

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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.