Home / 115,191.54-158,832.61-93,622.25

Finding the Fourth Proportional to 115,191.54, 158,832.61 and 93,622.25

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Solution

The fourth proportional to 115,191.54, 158,832.61 and 93,622.25 is: 129,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,191.54 : 158,832.61 = 93,622.25 : x
  2. Step 2: Convert to fraction form
    115,191.54/158,832.61 = 93,622.25/x
  3. Step 3: Cross multiply
    115,191.54x = 158,832.61 × 93,622.25
  4. Step 4: Simplify right side
    115,191.54x = 14,870,266,484.60
  5. Step 5: Solve for x
    x = 14,870,266,484.60/115,191.54
  6. Step 6: Final answer
    x = 129,091.65

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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.