Home / 212,238.77-318,248.60-62,459.61

Finding the Fourth Proportional to 212,238.77, 318,248.60 and 62,459.61

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Solution

The fourth proportional to 212,238.77, 318,248.60 and 62,459.61 is: 93,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,238.77 : 318,248.60 = 62,459.61 : x
  2. Step 2: Convert to fraction form
    212,238.77/318,248.60 = 62,459.61/x
  3. Step 3: Cross multiply
    212,238.77x = 318,248.60 × 62,459.61
  4. Step 4: Simplify right side
    212,238.77x = 19,877,683,126.75
  5. Step 5: Solve for x
    x = 19,877,683,126.75/212,238.77
  6. Step 6: Final answer
    x = 93,657.17

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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.