Home / 115,928.80-174,104.40-69,272.80

Finding the Fourth Proportional to 115,928.80, 174,104.40 and 69,272.80

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Solution

The fourth proportional to 115,928.80, 174,104.40 and 69,272.80 is: 104,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,928.80 : 174,104.40 = 69,272.80 : x
  2. Step 2: Convert to fraction form
    115,928.80/174,104.40 = 69,272.80/x
  3. Step 3: Cross multiply
    115,928.80x = 174,104.40 × 69,272.80
  4. Step 4: Simplify right side
    115,928.80x = 12,060,699,280.32
  5. Step 5: Solve for x
    x = 12,060,699,280.32/115,928.80
  6. Step 6: Final answer
    x = 104,035.40

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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.