Home / 141,461.47-195,217.37-77,803.27

Finding the Fourth Proportional to 141,461.47, 195,217.37 and 77,803.27

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Solution

The fourth proportional to 141,461.47, 195,217.37 and 77,803.27 is: 107,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,461.47 : 195,217.37 = 77,803.27 : x
  2. Step 2: Convert to fraction form
    141,461.47/195,217.37 = 77,803.27/x
  3. Step 3: Cross multiply
    141,461.47x = 195,217.37 × 77,803.27
  4. Step 4: Simplify right side
    141,461.47x = 15,188,549,746.80
  5. Step 5: Solve for x
    x = 15,188,549,746.80/141,461.47
  6. Step 6: Final answer
    x = 107,368.81

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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.