Home / 135,179.04-186,459.24-86,704.24

Finding the Fourth Proportional to 135,179.04, 186,459.24 and 86,704.24

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Solution

The fourth proportional to 135,179.04, 186,459.24 and 86,704.24 is: 119,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,179.04 : 186,459.24 = 86,704.24 : x
  2. Step 2: Convert to fraction form
    135,179.04/186,459.24 = 86,704.24/x
  3. Step 3: Cross multiply
    135,179.04x = 186,459.24 × 86,704.24
  4. Step 4: Simplify right side
    135,179.04x = 16,166,806,695.18
  5. Step 5: Solve for x
    x = 16,166,806,695.18/135,179.04
  6. Step 6: Final answer
    x = 119,595.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.