Home / 128,924.16-193,382.40-35,435.52

Finding the Fourth Proportional to 128,924.16, 193,382.40 and 35,435.52

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Solution

The fourth proportional to 128,924.16, 193,382.40 and 35,435.52 is: 53,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,924.16 : 193,382.40 = 35,435.52 : x
  2. Step 2: Convert to fraction form
    128,924.16/193,382.40 = 35,435.52/x
  3. Step 3: Cross multiply
    128,924.16x = 193,382.40 × 35,435.52
  4. Step 4: Simplify right side
    128,924.16x = 6,852,605,902.85
  5. Step 5: Solve for x
    x = 6,852,605,902.85/128,924.16
  6. Step 6: Final answer
    x = 53,152.22

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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.