Home / 114,253.34-157,650.81-71,781.62

Finding the Fourth Proportional to 114,253.34, 157,650.81 and 71,781.62

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Solution

The fourth proportional to 114,253.34, 157,650.81 and 71,781.62 is: 99,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,253.34 : 157,650.81 = 71,781.62 : x
  2. Step 2: Convert to fraction form
    114,253.34/157,650.81 = 71,781.62/x
  3. Step 3: Cross multiply
    114,253.34x = 157,650.81 × 71,781.62
  4. Step 4: Simplify right side
    114,253.34x = 11,316,430,536.11
  5. Step 5: Solve for x
    x = 11,316,430,536.11/114,253.34
  6. Step 6: Final answer
    x = 99,046.82

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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.