Home / 371,742.46-557,603.90-105,503.01

Finding the Fourth Proportional to 371,742.46, 557,603.90 and 105,503.01

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Solution

The fourth proportional to 371,742.46, 557,603.90 and 105,503.01 is: 158,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,742.46 : 557,603.90 = 105,503.01 : x
  2. Step 2: Convert to fraction form
    371,742.46/557,603.90 = 105,503.01/x
  3. Step 3: Cross multiply
    371,742.46x = 557,603.90 × 105,503.01
  4. Step 4: Simplify right side
    371,742.46x = 58,828,887,614.85
  5. Step 5: Solve for x
    x = 58,828,887,614.85/371,742.46
  6. Step 6: Final answer
    x = 158,251.73

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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.