Home / 229,099.45-316,158.93-127,125.31

Finding the Fourth Proportional to 229,099.45, 316,158.93 and 127,125.31

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Solution

The fourth proportional to 229,099.45, 316,158.93 and 127,125.31 is: 175,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,099.45 : 316,158.93 = 127,125.31 : x
  2. Step 2: Convert to fraction form
    229,099.45/316,158.93 = 127,125.31/x
  3. Step 3: Cross multiply
    229,099.45x = 316,158.93 × 127,125.31
  4. Step 4: Simplify right side
    229,099.45x = 40,191,801,985.52
  5. Step 5: Solve for x
    x = 40,191,801,985.52/229,099.45
  6. Step 6: Final answer
    x = 175,433.87

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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.