Home / 192,775.06-266,019.15-107,875.72

Finding the Fourth Proportional to 192,775.06, 266,019.15 and 107,875.72

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Solution

The fourth proportional to 192,775.06, 266,019.15 and 107,875.72 is: 148,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,775.06 : 266,019.15 = 107,875.72 : x
  2. Step 2: Convert to fraction form
    192,775.06/266,019.15 = 107,875.72/x
  3. Step 3: Cross multiply
    192,775.06x = 266,019.15 × 107,875.72
  4. Step 4: Simplify right side
    192,775.06x = 28,697,007,340.04
  5. Step 5: Solve for x
    x = 28,697,007,340.04/192,775.06
  6. Step 6: Final answer
    x = 148,862.66

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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.