Home / 346,926.60-520,391.52-147,196.80

Finding the Fourth Proportional to 346,926.60, 520,391.52 and 147,196.80

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Solution

The fourth proportional to 346,926.60, 520,391.52 and 147,196.80 is: 220,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,926.60 : 520,391.52 = 147,196.80 : x
  2. Step 2: Convert to fraction form
    346,926.60/520,391.52 = 147,196.80/x
  3. Step 3: Cross multiply
    346,926.60x = 520,391.52 × 147,196.80
  4. Step 4: Simplify right side
    346,926.60x = 76,599,966,491.14
  5. Step 5: Solve for x
    x = 76,599,966,491.14/346,926.60
  6. Step 6: Final answer
    x = 220,795.89

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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.