Home / 115,364.40-173,143.80-52,281.60

Finding the Fourth Proportional to 115,364.40, 173,143.80 and 52,281.60

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Solution

The fourth proportional to 115,364.40, 173,143.80 and 52,281.60 is: 78,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,364.40 : 173,143.80 = 52,281.60 : x
  2. Step 2: Convert to fraction form
    115,364.40/173,143.80 = 52,281.60/x
  3. Step 3: Cross multiply
    115,364.40x = 173,143.80 × 52,281.60
  4. Step 4: Simplify right side
    115,364.40x = 9,052,234,894.08
  5. Step 5: Solve for x
    x = 9,052,234,894.08/115,364.40
  6. Step 6: Final answer
    x = 78,466.45

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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.