Home / 313,740.89-432,965.18-170,500.93

Finding the Fourth Proportional to 313,740.89, 432,965.18 and 170,500.93

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Solution

The fourth proportional to 313,740.89, 432,965.18 and 170,500.93 is: 235,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,740.89 : 432,965.18 = 170,500.93 : x
  2. Step 2: Convert to fraction form
    313,740.89/432,965.18 = 170,500.93/x
  3. Step 3: Cross multiply
    313,740.89x = 432,965.18 × 170,500.93
  4. Step 4: Simplify right side
    313,740.89x = 73,820,962,830.29
  5. Step 5: Solve for x
    x = 73,820,962,830.29/313,740.89
  6. Step 6: Final answer
    x = 235,292.77

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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.