Home / 277,218.79-382,561.38-156,359.70

Finding the Fourth Proportional to 277,218.79, 382,561.38 and 156,359.70

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Solution

The fourth proportional to 277,218.79, 382,561.38 and 156,359.70 is: 215,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,218.79 : 382,561.38 = 156,359.70 : x
  2. Step 2: Convert to fraction form
    277,218.79/382,561.38 = 156,359.70/x
  3. Step 3: Cross multiply
    277,218.79x = 382,561.38 × 156,359.70
  4. Step 4: Simplify right side
    277,218.79x = 59,817,182,608.39
  5. Step 5: Solve for x
    x = 59,817,182,608.39/277,218.79
  6. Step 6: Final answer
    x = 215,776.08

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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.