Home / 114,215.62-157,595.22-71,749.55

Finding the Fourth Proportional to 114,215.62, 157,595.22 and 71,749.55

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Solution

The fourth proportional to 114,215.62, 157,595.22 and 71,749.55 is: 99,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,215.62 : 157,595.22 = 71,749.55 : x
  2. Step 2: Convert to fraction form
    114,215.62/157,595.22 = 71,749.55/x
  3. Step 3: Cross multiply
    114,215.62x = 157,595.22 × 71,749.55
  4. Step 4: Simplify right side
    114,215.62x = 11,307,385,624.67
  5. Step 5: Solve for x
    x = 11,307,385,624.67/114,215.62
  6. Step 6: Final answer
    x = 99,000.34

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1.5x scale

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.