Home / 175,095.60-262,643.40-81,610.80

Finding the Fourth Proportional to 175,095.60, 262,643.40 and 81,610.80

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Solution

The fourth proportional to 175,095.60, 262,643.40 and 81,610.80 is: 122,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,095.60 : 262,643.40 = 81,610.80 : x
  2. Step 2: Convert to fraction form
    175,095.60/262,643.40 = 81,610.80/x
  3. Step 3: Cross multiply
    175,095.60x = 262,643.40 × 81,610.80
  4. Step 4: Simplify right side
    175,095.60x = 21,434,537,988.72
  5. Step 5: Solve for x
    x = 21,434,537,988.72/175,095.60
  6. Step 6: Final answer
    x = 122,416.20

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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.