Home / 278,766.04-417,915.60-194,278.36

Finding the Fourth Proportional to 278,766.04, 417,915.60 and 194,278.36

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Solution

The fourth proportional to 278,766.04, 417,915.60 and 194,278.36 is: 291,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,766.04 : 417,915.60 = 194,278.36 : x
  2. Step 2: Convert to fraction form
    278,766.04/417,915.60 = 194,278.36/x
  3. Step 3: Cross multiply
    278,766.04x = 417,915.60 × 194,278.36
  4. Step 4: Simplify right side
    278,766.04x = 81,191,957,386.42
  5. Step 5: Solve for x
    x = 81,191,957,386.42/278,766.04
  6. Step 6: Final answer
    x = 291,254.84

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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.