Home / 266,688.05-367,999.28-157,795.72

Finding the Fourth Proportional to 266,688.05, 367,999.28 and 157,795.72

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Solution

The fourth proportional to 266,688.05, 367,999.28 and 157,795.72 is: 217,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,688.05 : 367,999.28 = 157,795.72 : x
  2. Step 2: Convert to fraction form
    266,688.05/367,999.28 = 157,795.72/x
  3. Step 3: Cross multiply
    266,688.05x = 367,999.28 × 157,795.72
  4. Step 4: Simplify right side
    266,688.05x = 58,068,710,821.04
  5. Step 5: Solve for x
    x = 58,068,710,821.04/266,688.05
  6. Step 6: Final answer
    x = 217,740.21

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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.