Home / 212,459.20-318,541.12-94,065.92

Finding the Fourth Proportional to 212,459.20, 318,541.12 and 94,065.92

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Solution

The fourth proportional to 212,459.20, 318,541.12 and 94,065.92 is: 141,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,459.20 : 318,541.12 = 94,065.92 : x
  2. Step 2: Convert to fraction form
    212,459.20/318,541.12 = 94,065.92/x
  3. Step 3: Cross multiply
    212,459.20x = 318,541.12 × 94,065.92
  4. Step 4: Simplify right side
    212,459.20x = 29,963,863,510.63
  5. Step 5: Solve for x
    x = 29,963,863,510.63/212,459.20
  6. Step 6: Final answer
    x = 141,033.49

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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.