Home / 129,680.16-194,572.08-46,580.64

Finding the Fourth Proportional to 129,680.16, 194,572.08 and 46,580.64

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Solution

The fourth proportional to 129,680.16, 194,572.08 and 46,580.64 is: 69,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,680.16 : 194,572.08 = 46,580.64 : x
  2. Step 2: Convert to fraction form
    129,680.16/194,572.08 = 46,580.64/x
  3. Step 3: Cross multiply
    129,680.16x = 194,572.08 × 46,580.64
  4. Step 4: Simplify right side
    129,680.16x = 9,063,292,012.53
  5. Step 5: Solve for x
    x = 9,063,292,012.53/129,680.16
  6. Step 6: Final answer
    x = 69,889.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.