Home / 114,275.60-157,778.26-71,271.90

Finding the Fourth Proportional to 114,275.60, 157,778.26 and 71,271.90

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Solution

The fourth proportional to 114,275.60, 157,778.26 and 71,271.90 is: 98,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,275.60 : 157,778.26 = 71,271.90 : x
  2. Step 2: Convert to fraction form
    114,275.60/157,778.26 = 71,271.90/x
  3. Step 3: Cross multiply
    114,275.60x = 157,778.26 × 71,271.90
  4. Step 4: Simplify right side
    114,275.60x = 11,245,156,368.89
  5. Step 5: Solve for x
    x = 11,245,156,368.89/114,275.60
  6. Step 6: Final answer
    x = 98,403.83

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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.