Home / 277,439.79-382,825.86-168,487.47

Finding the Fourth Proportional to 277,439.79, 382,825.86 and 168,487.47

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Solution

The fourth proportional to 277,439.79, 382,825.86 and 168,487.47 is: 232,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,439.79 : 382,825.86 = 168,487.47 : x
  2. Step 2: Convert to fraction form
    277,439.79/382,825.86 = 168,487.47/x
  3. Step 3: Cross multiply
    277,439.79x = 382,825.86 × 168,487.47
  4. Step 4: Simplify right side
    277,439.79x = 64,501,360,601.97
  5. Step 5: Solve for x
    x = 64,501,360,601.97/277,439.79
  6. Step 6: Final answer
    x = 232,487.78

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1.5x scale

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.