Home / 141,345.41-195,060.35-77,684.87

Finding the Fourth Proportional to 141,345.41, 195,060.35 and 77,684.87

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Solution

The fourth proportional to 141,345.41, 195,060.35 and 77,684.87 is: 107,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,345.41 : 195,060.35 = 77,684.87 : x
  2. Step 2: Convert to fraction form
    141,345.41/195,060.35 = 77,684.87/x
  3. Step 3: Cross multiply
    141,345.41x = 195,060.35 × 77,684.87
  4. Step 4: Simplify right side
    141,345.41x = 15,153,238,613.77
  5. Step 5: Solve for x
    x = 15,153,238,613.77/141,345.41
  6. Step 6: Final answer
    x = 107,207.15

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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.