Home / 143,834.40-215,752.56-43,996.32

Finding the Fourth Proportional to 143,834.40, 215,752.56 and 43,996.32

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Solution

The fourth proportional to 143,834.40, 215,752.56 and 43,996.32 is: 65,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,834.40 : 215,752.56 = 43,996.32 : x
  2. Step 2: Convert to fraction form
    143,834.40/215,752.56 = 43,996.32/x
  3. Step 3: Cross multiply
    143,834.40x = 215,752.56 × 43,996.32
  4. Step 4: Simplify right side
    143,834.40x = 9,492,318,670.58
  5. Step 5: Solve for x
    x = 9,492,318,670.58/143,834.40
  6. Step 6: Final answer
    x = 65,994.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.