Home / 372,547.69-558,904.83-135,890.36

Finding the Fourth Proportional to 372,547.69, 558,904.83 and 135,890.36

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Solution

The fourth proportional to 372,547.69, 558,904.83 and 135,890.36 is: 203,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,547.69 : 558,904.83 = 135,890.36 : x
  2. Step 2: Convert to fraction form
    372,547.69/558,904.83 = 135,890.36/x
  3. Step 3: Cross multiply
    372,547.69x = 558,904.83 × 135,890.36
  4. Step 4: Simplify right side
    372,547.69x = 75,949,777,346.22
  5. Step 5: Solve for x
    x = 75,949,777,346.22/372,547.69
  6. Step 6: Final answer
    x = 203,865.92

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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.