Home / 128,350.01-192,364.50-61,772.33

Finding the Fourth Proportional to 128,350.01, 192,364.50 and 61,772.33

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Solution

The fourth proportional to 128,350.01, 192,364.50 and 61,772.33 is: 92,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,350.01 : 192,364.50 = 61,772.33 : x
  2. Step 2: Convert to fraction form
    128,350.01/192,364.50 = 61,772.33/x
  3. Step 3: Cross multiply
    128,350.01x = 192,364.50 × 61,772.33
  4. Step 4: Simplify right side
    128,350.01x = 11,882,803,374.29
  5. Step 5: Solve for x
    x = 11,882,803,374.29/128,350.01
  6. Step 6: Final answer
    x = 92,581.24

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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.