Home / 114,468.57-157,999.55-69,139.35

Finding the Fourth Proportional to 114,468.57, 157,999.55 and 69,139.35

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Solution

The fourth proportional to 114,468.57, 157,999.55 and 69,139.35 is: 95,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,468.57 : 157,999.55 = 69,139.35 : x
  2. Step 2: Convert to fraction form
    114,468.57/157,999.55 = 69,139.35/x
  3. Step 3: Cross multiply
    114,468.57x = 157,999.55 × 69,139.35
  4. Step 4: Simplify right side
    114,468.57x = 10,923,985,841.60
  5. Step 5: Solve for x
    x = 10,923,985,841.60/114,468.57
  6. Step 6: Final answer
    x = 95,432.19

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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.