Home / 107,156.35-147,875.52-59,408.47

Finding the Fourth Proportional to 107,156.35, 147,875.52 and 59,408.47

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Solution

The fourth proportional to 107,156.35, 147,875.52 and 59,408.47 is: 81,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,156.35 : 147,875.52 = 59,408.47 : x
  2. Step 2: Convert to fraction form
    107,156.35/147,875.52 = 59,408.47/x
  3. Step 3: Cross multiply
    107,156.35x = 147,875.52 × 59,408.47
  4. Step 4: Simplify right side
    107,156.35x = 8,785,058,393.65
  5. Step 5: Solve for x
    x = 8,785,058,393.65/107,156.35
  6. Step 6: Final answer
    x = 81,983.55

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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.