Home / 175,132.80-262,526.40-69,811.20

Finding the Fourth Proportional to 175,132.80, 262,526.40 and 69,811.20

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Solution

The fourth proportional to 175,132.80, 262,526.40 and 69,811.20 is: 104,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,132.80 : 262,526.40 = 69,811.20 : x
  2. Step 2: Convert to fraction form
    175,132.80/262,526.40 = 69,811.20/x
  3. Step 3: Cross multiply
    175,132.80x = 262,526.40 × 69,811.20
  4. Step 4: Simplify right side
    175,132.80x = 18,327,283,015.68
  5. Step 5: Solve for x
    x = 18,327,283,015.68/175,132.80
  6. Step 6: Final answer
    x = 104,647.92

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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.