Home / 237,945.47-328,373.93-130,520.03

Finding the Fourth Proportional to 237,945.47, 328,373.93 and 130,520.03

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Solution

The fourth proportional to 237,945.47, 328,373.93 and 130,520.03 is: 180,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,945.47 : 328,373.93 = 130,520.03 : x
  2. Step 2: Convert to fraction form
    237,945.47/328,373.93 = 130,520.03/x
  3. Step 3: Cross multiply
    237,945.47x = 328,373.93 × 130,520.03
  4. Step 4: Simplify right side
    237,945.47x = 42,859,373,879.25
  5. Step 5: Solve for x
    x = 42,859,373,879.25/237,945.47
  6. Step 6: Final answer
    x = 180,122.68

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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.