Home / 113,877.20-170,815.80-76,552.40

Finding the Fourth Proportional to 113,877.20, 170,815.80 and 76,552.40

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Solution

The fourth proportional to 113,877.20, 170,815.80 and 76,552.40 is: 114,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,877.20 : 170,815.80 = 76,552.40 : x
  2. Step 2: Convert to fraction form
    113,877.20/170,815.80 = 76,552.40/x
  3. Step 3: Cross multiply
    113,877.20x = 170,815.80 × 76,552.40
  4. Step 4: Simplify right side
    113,877.20x = 13,076,359,447.92
  5. Step 5: Solve for x
    x = 13,076,359,447.92/113,877.20
  6. Step 6: Final answer
    x = 114,828.60

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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.