Home / 108,332.35-162,157.95-74,399.68

Finding the Fourth Proportional to 108,332.35, 162,157.95 and 74,399.68

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Solution

The fourth proportional to 108,332.35, 162,157.95 and 74,399.68 is: 111,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,332.35 : 162,157.95 = 74,399.68 : x
  2. Step 2: Convert to fraction form
    108,332.35/162,157.95 = 74,399.68/x
  3. Step 3: Cross multiply
    108,332.35x = 162,157.95 × 74,399.68
  4. Step 4: Simplify right side
    108,332.35x = 12,064,498,812.06
  5. Step 5: Solve for x
    x = 12,064,498,812.06/108,332.35
  6. Step 6: Final answer
    x = 111,365.62

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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.