Home / 349,370.11-524,165.93-124,725.72

Finding the Fourth Proportional to 349,370.11, 524,165.93 and 124,725.72

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Solution

The fourth proportional to 349,370.11, 524,165.93 and 124,725.72 is: 187,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,370.11 : 524,165.93 = 124,725.72 : x
  2. Step 2: Convert to fraction form
    349,370.11/524,165.93 = 124,725.72/x
  3. Step 3: Cross multiply
    349,370.11x = 524,165.93 × 124,725.72
  4. Step 4: Simplify right side
    349,370.11x = 65,376,972,395.09
  5. Step 5: Solve for x
    x = 65,376,972,395.09/349,370.11
  6. Step 6: Final answer
    x = 187,128.12

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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.