Home / 129,076.02-193,607.07-40,319.34

Finding the Fourth Proportional to 129,076.02, 193,607.07 and 40,319.34

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Solution

The fourth proportional to 129,076.02, 193,607.07 and 40,319.34 is: 60,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,076.02 : 193,607.07 = 40,319.34 : x
  2. Step 2: Convert to fraction form
    129,076.02/193,607.07 = 40,319.34/x
  3. Step 3: Cross multiply
    129,076.02x = 193,607.07 × 40,319.34
  4. Step 4: Simplify right side
    129,076.02x = 7,806,109,281.73
  5. Step 5: Solve for x
    x = 7,806,109,281.73/129,076.02
  6. Step 6: Final answer
    x = 60,476.84

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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.