Home / 347,009.16-478,901.36-194,059.90

Finding the Fourth Proportional to 347,009.16, 478,901.36 and 194,059.90

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Solution

The fourth proportional to 347,009.16, 478,901.36 and 194,059.90 is: 267,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,009.16 : 478,901.36 = 194,059.90 : x
  2. Step 2: Convert to fraction form
    347,009.16/478,901.36 = 194,059.90/x
  3. Step 3: Cross multiply
    347,009.16x = 478,901.36 × 194,059.90
  4. Step 4: Simplify right side
    347,009.16x = 92,935,551,115.24
  5. Step 5: Solve for x
    x = 92,935,551,115.24/347,009.16
  6. Step 6: Final answer
    x = 267,818.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.