Home / 237,945.34-328,373.76-130,519.90

Finding the Fourth Proportional to 237,945.34, 328,373.76 and 130,519.90

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Solution

The fourth proportional to 237,945.34, 328,373.76 and 130,519.90 is: 180,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,945.34 : 328,373.76 = 130,519.90 : x
  2. Step 2: Convert to fraction form
    237,945.34/328,373.76 = 130,519.90/x
  3. Step 3: Cross multiply
    237,945.34x = 328,373.76 × 130,519.90
  4. Step 4: Simplify right side
    237,945.34x = 42,859,310,317.82
  5. Step 5: Solve for x
    x = 42,859,310,317.82/237,945.34
  6. Step 6: Final answer
    x = 180,122.50

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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.