Home / 144,417.14-199,215.57-83,981.14

Finding the Fourth Proportional to 144,417.14, 199,215.57 and 83,981.14

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Solution

The fourth proportional to 144,417.14, 199,215.57 and 83,981.14 is: 115,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,417.14 : 199,215.57 = 83,981.14 : x
  2. Step 2: Convert to fraction form
    144,417.14/199,215.57 = 83,981.14/x
  3. Step 3: Cross multiply
    144,417.14x = 199,215.57 × 83,981.14
  4. Step 4: Simplify right side
    144,417.14x = 16,730,350,674.35
  5. Step 5: Solve for x
    x = 16,730,350,674.35/144,417.14
  6. Step 6: Final answer
    x = 115,847.40

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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.