Home / 387,118.84-534,282.70-236,303.48

Finding the Fourth Proportional to 387,118.84, 534,282.70 and 236,303.48

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Solution

The fourth proportional to 387,118.84, 534,282.70 and 236,303.48 is: 326,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,118.84 : 534,282.70 = 236,303.48 : x
  2. Step 2: Convert to fraction form
    387,118.84/534,282.70 = 236,303.48/x
  3. Step 3: Cross multiply
    387,118.84x = 534,282.70 × 236,303.48
  4. Step 4: Simplify right side
    387,118.84x = 126,252,861,313.80
  5. Step 5: Solve for x
    x = 126,252,861,313.80/387,118.84
  6. Step 6: Final answer
    x = 326,134.63

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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.