Home / 113,827.20-170,740.80-76,502.40

Finding the Fourth Proportional to 113,827.20, 170,740.80 and 76,502.40

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Solution

The fourth proportional to 113,827.20, 170,740.80 and 76,502.40 is: 114,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,827.20 : 170,740.80 = 76,502.40 : x
  2. Step 2: Convert to fraction form
    113,827.20/170,740.80 = 76,502.40/x
  3. Step 3: Cross multiply
    113,827.20x = 170,740.80 × 76,502.40
  4. Step 4: Simplify right side
    113,827.20x = 13,062,080,977.92
  5. Step 5: Solve for x
    x = 13,062,080,977.92/113,827.20
  6. Step 6: Final answer
    x = 114,753.60

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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.