Home / 214,726.42-322,087.56-130,509.82

Finding the Fourth Proportional to 214,726.42, 322,087.56 and 130,509.82

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Solution

The fourth proportional to 214,726.42, 322,087.56 and 130,509.82 is: 195,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,726.42 : 322,087.56 = 130,509.82 : x
  2. Step 2: Convert to fraction form
    214,726.42/322,087.56 = 130,509.82/x
  3. Step 3: Cross multiply
    214,726.42x = 322,087.56 × 130,509.82
  4. Step 4: Simplify right side
    214,726.42x = 42,035,587,869.40
  5. Step 5: Solve for x
    x = 42,035,587,869.40/214,726.42
  6. Step 6: Final answer
    x = 195,763.47

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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.