Home / 121,017.12-167,006.52-67,304.40

Finding the Fourth Proportional to 121,017.12, 167,006.52 and 67,304.40

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Solution

The fourth proportional to 121,017.12, 167,006.52 and 67,304.40 is: 92,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,017.12 : 167,006.52 = 67,304.40 : x
  2. Step 2: Convert to fraction form
    121,017.12/167,006.52 = 67,304.40/x
  3. Step 3: Cross multiply
    121,017.12x = 167,006.52 × 67,304.40
  4. Step 4: Simplify right side
    121,017.12x = 11,240,273,624.69
  5. Step 5: Solve for x
    x = 11,240,273,624.69/121,017.12
  6. Step 6: Final answer
    x = 92,881.68

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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.