Home / 346,822.73-520,275.78-122,136.73

Finding the Fourth Proportional to 346,822.73, 520,275.78 and 122,136.73

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Solution

The fourth proportional to 346,822.73, 520,275.78 and 122,136.73 is: 183,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,822.73 : 520,275.78 = 122,136.73 : x
  2. Step 2: Convert to fraction form
    346,822.73/520,275.78 = 122,136.73/x
  3. Step 3: Cross multiply
    346,822.73x = 520,275.78 × 122,136.73
  4. Step 4: Simplify right side
    346,822.73x = 63,544,781,166.71
  5. Step 5: Solve for x
    x = 63,544,781,166.71/346,822.73
  6. Step 6: Final answer
    x = 183,219.77

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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.