Home / 141,440.15-195,187.13-81,030.35

Finding the Fourth Proportional to 141,440.15, 195,187.13 and 81,030.35

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Solution

The fourth proportional to 141,440.15, 195,187.13 and 81,030.35 is: 111,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,440.15 : 195,187.13 = 81,030.35 : x
  2. Step 2: Convert to fraction form
    141,440.15/195,187.13 = 81,030.35/x
  3. Step 3: Cross multiply
    141,440.15x = 195,187.13 × 81,030.35
  4. Step 4: Simplify right side
    141,440.15x = 15,816,081,459.40
  5. Step 5: Solve for x
    x = 15,816,081,459.40/141,440.15
  6. Step 6: Final answer
    x = 111,821.72

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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.