Home / 371,748.22-557,621.28-105,508.98

Finding the Fourth Proportional to 371,748.22, 557,621.28 and 105,508.98

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Solution

The fourth proportional to 371,748.22, 557,621.28 and 105,508.98 is: 158,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,748.22 : 557,621.28 = 105,508.98 : x
  2. Step 2: Convert to fraction form
    371,748.22/557,621.28 = 105,508.98/x
  3. Step 3: Cross multiply
    371,748.22x = 557,621.28 × 105,508.98
  4. Step 4: Simplify right side
    371,748.22x = 58,834,052,479.09
  5. Step 5: Solve for x
    x = 58,834,052,479.09/371,748.22
  6. Step 6: Final answer
    x = 158,263.17

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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.