Home / 185,721.40-278,582.10-173,911.60

Finding the Fourth Proportional to 185,721.40, 278,582.10 and 173,911.60

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Solution

The fourth proportional to 185,721.40, 278,582.10 and 173,911.60 is: 260,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,721.40 : 278,582.10 = 173,911.60 : x
  2. Step 2: Convert to fraction form
    185,721.40/278,582.10 = 173,911.60/x
  3. Step 3: Cross multiply
    185,721.40x = 278,582.10 × 173,911.60
  4. Step 4: Simplify right side
    185,721.40x = 48,448,658,742.36
  5. Step 5: Solve for x
    x = 48,448,658,742.36/185,721.40
  6. Step 6: Final answer
    x = 260,867.40

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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.