Home / 128,325.17-192,439.81-44,061.41

Finding the Fourth Proportional to 128,325.17, 192,439.81 and 44,061.41

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Solution

The fourth proportional to 128,325.17, 192,439.81 and 44,061.41 is: 66,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,325.17 : 192,439.81 = 44,061.41 : x
  2. Step 2: Convert to fraction form
    128,325.17/192,439.81 = 44,061.41/x
  3. Step 3: Cross multiply
    128,325.17x = 192,439.81 × 44,061.41
  4. Step 4: Simplify right side
    128,325.17x = 8,479,169,368.73
  5. Step 5: Solve for x
    x = 8,479,169,368.73/128,325.17
  6. Step 6: Final answer
    x = 66,075.65

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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.