Home / 313,565.15-432,727.95-170,333.39

Finding the Fourth Proportional to 313,565.15, 432,727.95 and 170,333.39

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Solution

The fourth proportional to 313,565.15, 432,727.95 and 170,333.39 is: 235,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,565.15 : 432,727.95 = 170,333.39 : x
  2. Step 2: Convert to fraction form
    313,565.15/432,727.95 = 170,333.39/x
  3. Step 3: Cross multiply
    313,565.15x = 432,727.95 × 170,333.39
  4. Step 4: Simplify right side
    313,565.15x = 73,708,015,655.94
  5. Step 5: Solve for x
    x = 73,708,015,655.94/313,565.15
  6. Step 6: Final answer
    x = 235,064.44

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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.