Home / 141,510.94-212,204.14-74,935.52

Finding the Fourth Proportional to 141,510.94, 212,204.14 and 74,935.52

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Solution

The fourth proportional to 141,510.94, 212,204.14 and 74,935.52 is: 112,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,510.94 : 212,204.14 = 74,935.52 : x
  2. Step 2: Convert to fraction form
    141,510.94/212,204.14 = 74,935.52/x
  3. Step 3: Cross multiply
    141,510.94x = 212,204.14 × 74,935.52
  4. Step 4: Simplify right side
    141,510.94x = 15,901,627,124.46
  5. Step 5: Solve for x
    x = 15,901,627,124.46/141,510.94
  6. Step 6: Final answer
    x = 112,370.30

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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.