Home / 141,703.24-212,575.74-75,126.28

Finding the Fourth Proportional to 141,703.24, 212,575.74 and 75,126.28

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Solution

The fourth proportional to 141,703.24, 212,575.74 and 75,126.28 is: 112,700.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,703.24 : 212,575.74 = 75,126.28 : x
  2. Step 2: Convert to fraction form
    141,703.24/212,575.74 = 75,126.28/x
  3. Step 3: Cross multiply
    141,703.24x = 212,575.74 × 75,126.28
  4. Step 4: Simplify right side
    141,703.24x = 15,970,024,564.45
  5. Step 5: Solve for x
    x = 15,970,024,564.45/141,703.24
  6. Step 6: Final answer
    x = 112,700.49

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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.