Home / 113,962.92-170,767.80-85,852.68

Finding the Fourth Proportional to 113,962.92, 170,767.80 and 85,852.68

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Solution

The fourth proportional to 113,962.92, 170,767.80 and 85,852.68 is: 128,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,962.92 : 170,767.80 = 85,852.68 : x
  2. Step 2: Convert to fraction form
    113,962.92/170,767.80 = 85,852.68/x
  3. Step 3: Cross multiply
    113,962.92x = 170,767.80 × 85,852.68
  4. Step 4: Simplify right side
    113,962.92x = 14,660,873,287.70
  5. Step 5: Solve for x
    x = 14,660,873,287.70/113,962.92
  6. Step 6: Final answer
    x = 128,646.00

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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.