Home / 175,051.80-262,140.30-115,565.40

Finding the Fourth Proportional to 175,051.80, 262,140.30 and 115,565.40

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Solution

The fourth proportional to 175,051.80, 262,140.30 and 115,565.40 is: 173,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,051.80 : 262,140.30 = 115,565.40 : x
  2. Step 2: Convert to fraction form
    175,051.80/262,140.30 = 115,565.40/x
  3. Step 3: Cross multiply
    175,051.80x = 262,140.30 × 115,565.40
  4. Step 4: Simplify right side
    175,051.80x = 30,294,348,625.62
  5. Step 5: Solve for x
    x = 30,294,348,625.62/175,051.80
  6. Step 6: Final answer
    x = 173,059.34

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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.