Home / 185,637.30-278,487.54-73,258.71

Finding the Fourth Proportional to 185,637.30, 278,487.54 and 73,258.71

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Solution

The fourth proportional to 185,637.30, 278,487.54 and 73,258.71 is: 109,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,637.30 : 278,487.54 = 73,258.71 : x
  2. Step 2: Convert to fraction form
    185,637.30/278,487.54 = 73,258.71/x
  3. Step 3: Cross multiply
    185,637.30x = 278,487.54 × 73,258.71
  4. Step 4: Simplify right side
    185,637.30x = 20,401,637,931.47
  5. Step 5: Solve for x
    x = 20,401,637,931.47/185,637.30
  6. Step 6: Final answer
    x = 109,900.53

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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.