Home / 375,609.12-563,294.71-122,831.20

Finding the Fourth Proportional to 375,609.12, 563,294.71 and 122,831.20

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Solution

The fourth proportional to 375,609.12, 563,294.71 and 122,831.20 is: 184,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,609.12 : 563,294.71 = 122,831.20 : x
  2. Step 2: Convert to fraction form
    375,609.12/563,294.71 = 122,831.20/x
  3. Step 3: Cross multiply
    375,609.12x = 563,294.71 × 122,831.20
  4. Step 4: Simplify right side
    375,609.12x = 69,190,165,182.95
  5. Step 5: Solve for x
    x = 69,190,165,182.95/375,609.12
  6. Step 6: Final answer
    x = 184,207.89

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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.