Home / 354,280.40-531,766.20-176,987.60

Finding the Fourth Proportional to 354,280.40, 531,766.20 and 176,987.60

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Solution

The fourth proportional to 354,280.40, 531,766.20 and 176,987.60 is: 265,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,280.40 : 531,766.20 = 176,987.60 : x
  2. Step 2: Convert to fraction form
    354,280.40/531,766.20 = 176,987.60/x
  3. Step 3: Cross multiply
    354,280.40x = 531,766.20 × 176,987.60
  4. Step 4: Simplify right side
    354,280.40x = 94,116,023,499.12
  5. Step 5: Solve for x
    x = 94,116,023,499.12/354,280.40
  6. Step 6: Final answer
    x = 265,654.05

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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.