Home / 272,972.16-376,703.08-158,318.76

Finding the Fourth Proportional to 272,972.16, 376,703.08 and 158,318.76

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Solution

The fourth proportional to 272,972.16, 376,703.08 and 158,318.76 is: 218,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,972.16 : 376,703.08 = 158,318.76 : x
  2. Step 2: Convert to fraction form
    272,972.16/376,703.08 = 158,318.76/x
  3. Step 3: Cross multiply
    272,972.16x = 376,703.08 × 158,318.76
  4. Step 4: Simplify right side
    272,972.16x = 59,639,164,513.78
  5. Step 5: Solve for x
    x = 59,639,164,513.78/272,972.16
  6. Step 6: Final answer
    x = 218,480.76

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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.