Home / 356,934.16-535,343.79-104,155.30

Finding the Fourth Proportional to 356,934.16, 535,343.79 and 104,155.30

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Solution

The fourth proportional to 356,934.16, 535,343.79 and 104,155.30 is: 156,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,934.16 : 535,343.79 = 104,155.30 : x
  2. Step 2: Convert to fraction form
    356,934.16/535,343.79 = 104,155.30/x
  3. Step 3: Cross multiply
    356,934.16x = 535,343.79 × 104,155.30
  4. Step 4: Simplify right side
    356,934.16x = 55,758,890,652.47
  5. Step 5: Solve for x
    x = 55,758,890,652.47/356,934.16
  6. Step 6: Final answer
    x = 156,216.18

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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.