Home / 330,126.60-455,683.08-194,154.60

Finding the Fourth Proportional to 330,126.60, 455,683.08 and 194,154.60

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Solution

The fourth proportional to 330,126.60, 455,683.08 and 194,154.60 is: 267,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,126.60 : 455,683.08 = 194,154.60 : x
  2. Step 2: Convert to fraction form
    330,126.60/455,683.08 = 194,154.60/x
  3. Step 3: Cross multiply
    330,126.60x = 455,683.08 × 194,154.60
  4. Step 4: Simplify right side
    330,126.60x = 88,472,966,124.17
  5. Step 5: Solve for x
    x = 88,472,966,124.17/330,126.60
  6. Step 6: Final answer
    x = 267,997.08

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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.