Home / 105,652.18-158,478.27-26,772.58

Finding the Fourth Proportional to 105,652.18, 158,478.27 and 26,772.58

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Solution

The fourth proportional to 105,652.18, 158,478.27 and 26,772.58 is: 40,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,652.18 : 158,478.27 = 26,772.58 : x
  2. Step 2: Convert to fraction form
    105,652.18/158,478.27 = 26,772.58/x
  3. Step 3: Cross multiply
    105,652.18x = 158,478.27 × 26,772.58
  4. Step 4: Simplify right side
    105,652.18x = 4,242,872,161.84
  5. Step 5: Solve for x
    x = 4,242,872,161.84/105,652.18
  6. Step 6: Final answer
    x = 40,158.87

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1.5x scale

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.