Home / 238,509.34-357,541.66-80,627.38

Finding the Fourth Proportional to 238,509.34, 357,541.66 and 80,627.38

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Solution

The fourth proportional to 238,509.34, 357,541.66 and 80,627.38 is: 120,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,509.34 : 357,541.66 = 80,627.38 : x
  2. Step 2: Convert to fraction form
    238,509.34/357,541.66 = 80,627.38/x
  3. Step 3: Cross multiply
    238,509.34x = 357,541.66 × 80,627.38
  4. Step 4: Simplify right side
    238,509.34x = 28,827,646,191.23
  5. Step 5: Solve for x
    x = 28,827,646,191.23/238,509.34
  6. Step 6: Final answer
    x = 120,865.90

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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.