Home / 147,792.48-221,777.04-54,307.68

Finding the Fourth Proportional to 147,792.48, 221,777.04 and 54,307.68

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Solution

The fourth proportional to 147,792.48, 221,777.04 and 54,307.68 is: 81,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,792.48 : 221,777.04 = 54,307.68 : x
  2. Step 2: Convert to fraction form
    147,792.48/221,777.04 = 54,307.68/x
  3. Step 3: Cross multiply
    147,792.48x = 221,777.04 × 54,307.68
  4. Step 4: Simplify right side
    147,792.48x = 12,044,196,519.67
  5. Step 5: Solve for x
    x = 12,044,196,519.67/147,792.48
  6. Step 6: Final answer
    x = 81,493.97

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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.