Home / 185,492.80-278,117.70-73,105.30

Finding the Fourth Proportional to 185,492.80, 278,117.70 and 73,105.30

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Solution

The fourth proportional to 185,492.80, 278,117.70 and 73,105.30 is: 109,610.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,492.80 : 278,117.70 = 73,105.30 : x
  2. Step 2: Convert to fraction form
    185,492.80/278,117.70 = 73,105.30/x
  3. Step 3: Cross multiply
    185,492.80x = 278,117.70 × 73,105.30
  4. Step 4: Simplify right side
    185,492.80x = 20,331,877,893.81
  5. Step 5: Solve for x
    x = 20,331,877,893.81/185,492.80
  6. Step 6: Final answer
    x = 109,610.07

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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.