Home / 459,100.78-633,558.45-255,145.30

Finding the Fourth Proportional to 459,100.78, 633,558.45 and 255,145.30

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Solution

The fourth proportional to 459,100.78, 633,558.45 and 255,145.30 is: 352,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,100.78 : 633,558.45 = 255,145.30 : x
  2. Step 2: Convert to fraction form
    459,100.78/633,558.45 = 255,145.30/x
  3. Step 3: Cross multiply
    459,100.78x = 633,558.45 × 255,145.30
  4. Step 4: Simplify right side
    459,100.78x = 161,649,460,792.79
  5. Step 5: Solve for x
    x = 161,649,460,792.79/459,100.78
  6. Step 6: Final answer
    x = 352,100.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.