Home / 372,547.32-558,904.31-135,890.01

Finding the Fourth Proportional to 372,547.32, 558,904.31 and 135,890.01

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Solution

The fourth proportional to 372,547.32, 558,904.31 and 135,890.01 is: 203,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,547.32 : 558,904.31 = 135,890.01 : x
  2. Step 2: Convert to fraction form
    372,547.32/558,904.31 = 135,890.01/x
  3. Step 3: Cross multiply
    372,547.32x = 558,904.31 × 135,890.01
  4. Step 4: Simplify right side
    372,547.32x = 75,949,511,595.49
  5. Step 5: Solve for x
    x = 75,949,511,595.49/372,547.32
  6. Step 6: Final answer
    x = 203,865.41

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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.