Home / 107,456.34-148,255.26-62,128.38

Finding the Fourth Proportional to 107,456.34, 148,255.26 and 62,128.38

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Solution

The fourth proportional to 107,456.34, 148,255.26 and 62,128.38 is: 85,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,456.34 : 148,255.26 = 62,128.38 : x
  2. Step 2: Convert to fraction form
    107,456.34/148,255.26 = 62,128.38/x
  3. Step 3: Cross multiply
    107,456.34x = 148,255.26 × 62,128.38
  4. Step 4: Simplify right side
    107,456.34x = 9,210,859,130.28
  5. Step 5: Solve for x
    x = 9,210,859,130.28/107,456.34
  6. Step 6: Final answer
    x = 85,717.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.