Home / 355,724.66-533,587.89-145,362.62

Finding the Fourth Proportional to 355,724.66, 533,587.89 and 145,362.62

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Solution

The fourth proportional to 355,724.66, 533,587.89 and 145,362.62 is: 218,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,724.66 : 533,587.89 = 145,362.62 : x
  2. Step 2: Convert to fraction form
    355,724.66/533,587.89 = 145,362.62/x
  3. Step 3: Cross multiply
    355,724.66x = 533,587.89 × 145,362.62
  4. Step 4: Simplify right side
    355,724.66x = 77,563,733,690.67
  5. Step 5: Solve for x
    x = 77,563,733,690.67/355,724.66
  6. Step 6: Final answer
    x = 218,044.30

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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.