Home / 118,306.86-163,267.32-64,595.96

Finding the Fourth Proportional to 118,306.86, 163,267.32 and 64,595.96

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Solution

The fourth proportional to 118,306.86, 163,267.32 and 64,595.96 is: 89,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,306.86 : 163,267.32 = 64,595.96 : x
  2. Step 2: Convert to fraction form
    118,306.86/163,267.32 = 64,595.96/x
  3. Step 3: Cross multiply
    118,306.86x = 163,267.32 × 64,595.96
  4. Step 4: Simplify right side
    118,306.86x = 10,546,409,272.03
  5. Step 5: Solve for x
    x = 10,546,409,272.03/118,306.86
  6. Step 6: Final answer
    x = 89,144.53

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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.