Home / 176,590.52-243,689.75-100,116.67

Finding the Fourth Proportional to 176,590.52, 243,689.75 and 100,116.67

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Solution

The fourth proportional to 176,590.52, 243,689.75 and 100,116.67 is: 138,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,590.52 : 243,689.75 = 100,116.67 : x
  2. Step 2: Convert to fraction form
    176,590.52/243,689.75 = 100,116.67/x
  3. Step 3: Cross multiply
    176,590.52x = 243,689.75 × 100,116.67
  4. Step 4: Simplify right side
    176,590.52x = 24,397,404,564.10
  5. Step 5: Solve for x
    x = 24,397,404,564.10/176,590.52
  6. Step 6: Final answer
    x = 138,158.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.