Home / 372,547.82-558,905.06-135,890.51

Finding the Fourth Proportional to 372,547.82, 558,905.06 and 135,890.51

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Solution

The fourth proportional to 372,547.82, 558,905.06 and 135,890.51 is: 203,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,547.82 : 558,905.06 = 135,890.51 : x
  2. Step 2: Convert to fraction form
    372,547.82/558,905.06 = 135,890.51/x
  3. Step 3: Cross multiply
    372,547.82x = 558,905.06 × 135,890.51
  4. Step 4: Simplify right side
    372,547.82x = 75,949,892,965.53
  5. Step 5: Solve for x
    x = 75,949,892,965.53/372,547.82
  6. Step 6: Final answer
    x = 203,866.16

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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.