Home / 141,949.04-195,889.73-78,290.93

Finding the Fourth Proportional to 141,949.04, 195,889.73 and 78,290.93

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Solution

The fourth proportional to 141,949.04, 195,889.73 and 78,290.93 is: 108,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,949.04 : 195,889.73 = 78,290.93 : x
  2. Step 2: Convert to fraction form
    141,949.04/195,889.73 = 78,290.93/x
  3. Step 3: Cross multiply
    141,949.04x = 195,889.73 × 78,290.93
  4. Step 4: Simplify right side
    141,949.04x = 15,336,389,237.42
  5. Step 5: Solve for x
    x = 15,336,389,237.42/141,949.04
  6. Step 6: Final answer
    x = 108,041.52

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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.