Home / 115,449.04-159,318.08-64,462.56

Finding the Fourth Proportional to 115,449.04, 159,318.08 and 64,462.56

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Solution

The fourth proportional to 115,449.04, 159,318.08 and 64,462.56 is: 88,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,449.04 : 159,318.08 = 64,462.56 : x
  2. Step 2: Convert to fraction form
    115,449.04/159,318.08 = 64,462.56/x
  3. Step 3: Cross multiply
    115,449.04x = 159,318.08 × 64,462.56
  4. Step 4: Simplify right side
    115,449.04x = 10,270,051,291.08
  5. Step 5: Solve for x
    x = 10,270,051,291.08/115,449.04
  6. Step 6: Final answer
    x = 88,957.44

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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.