Home / 185,456.04-278,111.26-65,487.40

Finding the Fourth Proportional to 185,456.04, 278,111.26 and 65,487.40

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Solution

The fourth proportional to 185,456.04, 278,111.26 and 65,487.40 is: 98,205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,456.04 : 278,111.26 = 65,487.40 : x
  2. Step 2: Convert to fraction form
    185,456.04/278,111.26 = 65,487.40/x
  3. Step 3: Cross multiply
    185,456.04x = 278,111.26 × 65,487.40
  4. Step 4: Simplify right side
    185,456.04x = 18,212,783,328.12
  5. Step 5: Solve for x
    x = 18,212,783,328.12/185,456.04
  6. Step 6: Final answer
    x = 98,205.39

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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.