Home / 193,132.47-266,518.02-107,091.81

Finding the Fourth Proportional to 193,132.47, 266,518.02 and 107,091.81

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Solution

The fourth proportional to 193,132.47, 266,518.02 and 107,091.81 is: 147,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,132.47 : 266,518.02 = 107,091.81 : x
  2. Step 2: Convert to fraction form
    193,132.47/266,518.02 = 107,091.81/x
  3. Step 3: Cross multiply
    193,132.47x = 266,518.02 × 107,091.81
  4. Step 4: Simplify right side
    193,132.47x = 28,541,897,159.42
  5. Step 5: Solve for x
    x = 28,541,897,159.42/193,132.47
  6. Step 6: Final answer
    x = 147,784.04

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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.