Home / 143,314.32-214,732.08-101,124.66

Finding the Fourth Proportional to 143,314.32, 214,732.08 and 101,124.66

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Solution

The fourth proportional to 143,314.32, 214,732.08 and 101,124.66 is: 151,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,314.32 : 214,732.08 = 101,124.66 : x
  2. Step 2: Convert to fraction form
    143,314.32/214,732.08 = 101,124.66/x
  3. Step 3: Cross multiply
    143,314.32x = 214,732.08 × 101,124.66
  4. Step 4: Simplify right side
    143,314.32x = 21,714,708,581.09
  5. Step 5: Solve for x
    x = 21,714,708,581.09/143,314.32
  6. Step 6: Final answer
    x = 151,518.07

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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.