Home / 252,246.40-377,851.20-127,657.60

Finding the Fourth Proportional to 252,246.40, 377,851.20 and 127,657.60

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Solution

The fourth proportional to 252,246.40, 377,851.20 and 127,657.60 is: 191,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,246.40 : 377,851.20 = 127,657.60 : x
  2. Step 2: Convert to fraction form
    252,246.40/377,851.20 = 127,657.60/x
  3. Step 3: Cross multiply
    252,246.40x = 377,851.20 × 127,657.60
  4. Step 4: Simplify right side
    252,246.40x = 48,235,577,349.12
  5. Step 5: Solve for x
    x = 48,235,577,349.12/252,246.40
  6. Step 6: Final answer
    x = 191,224.05

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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.