Home / 143,569.10-214,964.85-112,465.10

Finding the Fourth Proportional to 143,569.10, 214,964.85 and 112,465.10

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Solution

The fourth proportional to 143,569.10, 214,964.85 and 112,465.10 is: 168,393.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,569.10 : 214,964.85 = 112,465.10 : x
  2. Step 2: Convert to fraction form
    143,569.10/214,964.85 = 112,465.10/x
  3. Step 3: Cross multiply
    143,569.10x = 214,964.85 × 112,465.10
  4. Step 4: Simplify right side
    143,569.10x = 24,176,043,351.74
  5. Step 5: Solve for x
    x = 24,176,043,351.74/143,569.10
  6. Step 6: Final answer
    x = 168,393.08

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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.