Home / 387,111.84-534,273.04-236,296.48

Finding the Fourth Proportional to 387,111.84, 534,273.04 and 236,296.48

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Solution

The fourth proportional to 387,111.84, 534,273.04 and 236,296.48 is: 326,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,111.84 : 534,273.04 = 236,296.48 : x
  2. Step 2: Convert to fraction form
    387,111.84/534,273.04 = 236,296.48/x
  3. Step 3: Cross multiply
    387,111.84x = 534,273.04 × 236,296.48
  4. Step 4: Simplify right side
    387,111.84x = 126,246,838,710.90
  5. Step 5: Solve for x
    x = 126,246,838,710.90/387,111.84
  6. Step 6: Final answer
    x = 326,124.97

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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.