Home / 181,574.20-272,534.10-155,308.60

Finding the Fourth Proportional to 181,574.20, 272,534.10 and 155,308.60

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Solution

The fourth proportional to 181,574.20, 272,534.10 and 155,308.60 is: 233,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,574.20 : 272,534.10 = 155,308.60 : x
  2. Step 2: Convert to fraction form
    181,574.20/272,534.10 = 155,308.60/x
  3. Step 3: Cross multiply
    181,574.20x = 272,534.10 × 155,308.60
  4. Step 4: Simplify right side
    181,574.20x = 42,326,889,523.26
  5. Step 5: Solve for x
    x = 42,326,889,523.26/181,574.20
  6. Step 6: Final answer
    x = 233,110.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.