Home / 113,835.20-170,752.80-39,953.60

Finding the Fourth Proportional to 113,835.20, 170,752.80 and 39,953.60

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Solution

The fourth proportional to 113,835.20, 170,752.80 and 39,953.60 is: 59,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,835.20 : 170,752.80 = 39,953.60 : x
  2. Step 2: Convert to fraction form
    113,835.20/170,752.80 = 39,953.60/x
  3. Step 3: Cross multiply
    113,835.20x = 170,752.80 × 39,953.60
  4. Step 4: Simplify right side
    113,835.20x = 6,822,189,070.08
  5. Step 5: Solve for x
    x = 6,822,189,070.08/113,835.20
  6. Step 6: Final answer
    x = 59,930.40

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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.