Home / 146,811.12-202,599.54-79,743.12

Finding the Fourth Proportional to 146,811.12, 202,599.54 and 79,743.12

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Solution

The fourth proportional to 146,811.12, 202,599.54 and 79,743.12 is: 110,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,811.12 : 202,599.54 = 79,743.12 : x
  2. Step 2: Convert to fraction form
    146,811.12/202,599.54 = 79,743.12/x
  3. Step 3: Cross multiply
    146,811.12x = 202,599.54 × 79,743.12
  4. Step 4: Simplify right side
    146,811.12x = 16,155,919,430.16
  5. Step 5: Solve for x
    x = 16,155,919,430.16/146,811.12
  6. Step 6: Final answer
    x = 110,045.61

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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.