Home / 214,877.17-322,315.76-81,726.67

Finding the Fourth Proportional to 214,877.17, 322,315.76 and 81,726.67

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Solution

The fourth proportional to 214,877.17, 322,315.76 and 81,726.67 is: 122,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,877.17 : 322,315.76 = 81,726.67 : x
  2. Step 2: Convert to fraction form
    214,877.17/322,315.76 = 81,726.67/x
  3. Step 3: Cross multiply
    214,877.17x = 322,315.76 × 81,726.67
  4. Step 4: Simplify right side
    214,877.17x = 26,341,793,753.32
  5. Step 5: Solve for x
    x = 26,341,793,753.32/214,877.17
  6. Step 6: Final answer
    x = 122,590.01

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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.