Home / 139,510.20-192,523.13-75,848.00

Finding the Fourth Proportional to 139,510.20, 192,523.13 and 75,848.00

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Solution

The fourth proportional to 139,510.20, 192,523.13 and 75,848.00 is: 104,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,510.20 : 192,523.13 = 75,848.00 : x
  2. Step 2: Convert to fraction form
    139,510.20/192,523.13 = 75,848.00/x
  3. Step 3: Cross multiply
    139,510.20x = 192,523.13 × 75,848.00
  4. Step 4: Simplify right side
    139,510.20x = 14,602,493,022.38
  5. Step 5: Solve for x
    x = 14,602,493,022.38/139,510.20
  6. Step 6: Final answer
    x = 104,669.72

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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.