Home / 237,877.16-328,274.98-130,440.78

Finding the Fourth Proportional to 237,877.16, 328,274.98 and 130,440.78

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Solution

The fourth proportional to 237,877.16, 328,274.98 and 130,440.78 is: 180,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,877.16 : 328,274.98 = 130,440.78 : x
  2. Step 2: Convert to fraction form
    237,877.16/328,274.98 = 130,440.78/x
  3. Step 3: Cross multiply
    237,877.16x = 328,274.98 × 130,440.78
  4. Step 4: Simplify right side
    237,877.16x = 42,820,444,119.58
  5. Step 5: Solve for x
    x = 42,820,444,119.58/237,877.16
  6. Step 6: Final answer
    x = 180,010.75

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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.