Home / 193,116.90-266,490.65-107,070.87

Finding the Fourth Proportional to 193,116.90, 266,490.65 and 107,070.87

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Solution

The fourth proportional to 193,116.90, 266,490.65 and 107,070.87 is: 147,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,116.90 : 266,490.65 = 107,070.87 : x
  2. Step 2: Convert to fraction form
    193,116.90/266,490.65 = 107,070.87/x
  3. Step 3: Cross multiply
    193,116.90x = 266,490.65 × 107,070.87
  4. Step 4: Simplify right side
    193,116.90x = 28,533,385,742.37
  5. Step 5: Solve for x
    x = 28,533,385,742.37/193,116.90
  6. Step 6: Final answer
    x = 147,751.88

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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.