Home / 372,579.51-558,728.28-159,338.55

Finding the Fourth Proportional to 372,579.51, 558,728.28 and 159,338.55

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Solution

The fourth proportional to 372,579.51, 558,728.28 and 159,338.55 is: 238,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,579.51 : 558,728.28 = 159,338.55 : x
  2. Step 2: Convert to fraction form
    372,579.51/558,728.28 = 159,338.55/x
  3. Step 3: Cross multiply
    372,579.51x = 558,728.28 × 159,338.55
  4. Step 4: Simplify right side
    372,579.51x = 89,026,953,979.19
  5. Step 5: Solve for x
    x = 89,026,953,979.19/372,579.51
  6. Step 6: Final answer
    x = 238,947.53

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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.