Home / 237,864.02-328,257-130,434.26

Finding the Fourth Proportional to 237,864.02, 328,257 and 130,434.26

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Solution

The fourth proportional to 237,864.02, 328,257 and 130,434.26 is: 180,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,864.02 : 328,257 = 130,434.26 : x
  2. Step 2: Convert to fraction form
    237,864.02/328,257 = 130,434.26/x
  3. Step 3: Cross multiply
    237,864.02x = 328,257 × 130,434.26
  4. Step 4: Simplify right side
    237,864.02x = 42,815,957,243.54
  5. Step 5: Solve for x
    x = 42,815,957,243.54/237,864.02
  6. Step 6: Final answer
    x = 180,001.83

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1.5x scale

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.