Home / 163,545.12-225,681.92-91,924.16

Finding the Fourth Proportional to 163,545.12, 225,681.92 and 91,924.16

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Solution

The fourth proportional to 163,545.12, 225,681.92 and 91,924.16 is: 126,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,545.12 : 225,681.92 = 91,924.16 : x
  2. Step 2: Convert to fraction form
    163,545.12/225,681.92 = 91,924.16/x
  3. Step 3: Cross multiply
    163,545.12x = 225,681.92 × 91,924.16
  4. Step 4: Simplify right side
    163,545.12x = 20,745,620,923.19
  5. Step 5: Solve for x
    x = 20,745,620,923.19/163,545.12
  6. Step 6: Final answer
    x = 126,849.53

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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.