Home / 124,221.04-186,265.50-91,022.20

Finding the Fourth Proportional to 124,221.04, 186,265.50 and 91,022.20

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Solution

The fourth proportional to 124,221.04, 186,265.50 and 91,022.20 is: 136,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,221.04 : 186,265.50 = 91,022.20 : x
  2. Step 2: Convert to fraction form
    124,221.04/186,265.50 = 91,022.20/x
  3. Step 3: Cross multiply
    124,221.04x = 186,265.50 × 91,022.20
  4. Step 4: Simplify right side
    124,221.04x = 16,954,295,594.10
  5. Step 5: Solve for x
    x = 16,954,295,594.10/124,221.04
  6. Step 6: Final answer
    x = 136,484.89

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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.