Home / 122,248.68-183,220.06-66,086.76

Finding the Fourth Proportional to 122,248.68, 183,220.06 and 66,086.76

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Solution

The fourth proportional to 122,248.68, 183,220.06 and 66,086.76 is: 99,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,248.68 : 183,220.06 = 66,086.76 : x
  2. Step 2: Convert to fraction form
    122,248.68/183,220.06 = 66,086.76/x
  3. Step 3: Cross multiply
    122,248.68x = 183,220.06 × 66,086.76
  4. Step 4: Simplify right side
    122,248.68x = 12,108,420,132.41
  5. Step 5: Solve for x
    x = 12,108,420,132.41/122,248.68
  6. Step 6: Final answer
    x = 99,047.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.