Home / 229,181.18-316,263.98-127,206.39

Finding the Fourth Proportional to 229,181.18, 316,263.98 and 127,206.39

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Solution

The fourth proportional to 229,181.18, 316,263.98 and 127,206.39 is: 175,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,181.18 : 316,263.98 = 127,206.39 : x
  2. Step 2: Convert to fraction form
    229,181.18/316,263.98 = 127,206.39/x
  3. Step 3: Cross multiply
    229,181.18x = 316,263.98 × 127,206.39
  4. Step 4: Simplify right side
    229,181.18x = 40,230,799,500.85
  5. Step 5: Solve for x
    x = 40,230,799,500.85/229,181.18
  6. Step 6: Final answer
    x = 175,541.46

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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.