Home / 160,543.18-221,551.20-96,868.72

Finding the Fourth Proportional to 160,543.18, 221,551.20 and 96,868.72

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Solution

The fourth proportional to 160,543.18, 221,551.20 and 96,868.72 is: 133,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,543.18 : 221,551.20 = 96,868.72 : x
  2. Step 2: Convert to fraction form
    160,543.18/221,551.20 = 96,868.72/x
  3. Step 3: Cross multiply
    160,543.18x = 221,551.20 × 96,868.72
  4. Step 4: Simplify right side
    160,543.18x = 21,461,381,158.46
  5. Step 5: Solve for x
    x = 21,461,381,158.46/160,543.18
  6. Step 6: Final answer
    x = 133,679.81

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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.