Home / 192,019.48-288,278.70-147,677.66

Finding the Fourth Proportional to 192,019.48, 288,278.70 and 147,677.66

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Solution

The fourth proportional to 192,019.48, 288,278.70 and 147,677.66 is: 221,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,019.48 : 288,278.70 = 147,677.66 : x
  2. Step 2: Convert to fraction form
    192,019.48/288,278.70 = 147,677.66/x
  3. Step 3: Cross multiply
    192,019.48x = 288,278.70 × 147,677.66
  4. Step 4: Simplify right side
    192,019.48x = 42,572,323,843.84
  5. Step 5: Solve for x
    x = 42,572,323,843.84/192,019.48
  6. Step 6: Final answer
    x = 221,708.36

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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.