Home / 174,068.28-261,060.03-72,811.60

Finding the Fourth Proportional to 174,068.28, 261,060.03 and 72,811.60

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Solution

The fourth proportional to 174,068.28, 261,060.03 and 72,811.60 is: 109,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,068.28 : 261,060.03 = 72,811.60 : x
  2. Step 2: Convert to fraction form
    174,068.28/261,060.03 = 72,811.60/x
  3. Step 3: Cross multiply
    174,068.28x = 261,060.03 × 72,811.60
  4. Step 4: Simplify right side
    174,068.28x = 19,008,197,827.70
  5. Step 5: Solve for x
    x = 19,008,197,827.70/174,068.28
  6. Step 6: Final answer
    x = 109,199.66

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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.