Home / 141,597.36-195,396.30-81,155.16

Finding the Fourth Proportional to 141,597.36, 195,396.30 and 81,155.16

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Solution

The fourth proportional to 141,597.36, 195,396.30 and 81,155.16 is: 111,989.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,597.36 : 195,396.30 = 81,155.16 : x
  2. Step 2: Convert to fraction form
    141,597.36/195,396.30 = 81,155.16/x
  3. Step 3: Cross multiply
    141,597.36x = 195,396.30 × 81,155.16
  4. Step 4: Simplify right side
    141,597.36x = 15,857,417,989.91
  5. Step 5: Solve for x
    x = 15,857,417,989.91/141,597.36
  6. Step 6: Final answer
    x = 111,989.50

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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.