Home / 185,609.16-278,444.52-60,921

Finding the Fourth Proportional to 185,609.16, 278,444.52 and 60,921

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Solution

The fourth proportional to 185,609.16, 278,444.52 and 60,921 is: 91,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,609.16 : 278,444.52 = 60,921 : x
  2. Step 2: Convert to fraction form
    185,609.16/278,444.52 = 60,921/x
  3. Step 3: Cross multiply
    185,609.16x = 278,444.52 × 60,921
  4. Step 4: Simplify right side
    185,609.16x = 16,963,118,602.92
  5. Step 5: Solve for x
    x = 16,963,118,602.92/185,609.16
  6. Step 6: Final answer
    x = 91,391.60

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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.