Home / 277,208.82-382,561.20-156,347.55

Finding the Fourth Proportional to 277,208.82, 382,561.20 and 156,347.55

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Solution

The fourth proportional to 277,208.82, 382,561.20 and 156,347.55 is: 215,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,208.82 : 382,561.20 = 156,347.55 : x
  2. Step 2: Convert to fraction form
    277,208.82/382,561.20 = 156,347.55/x
  3. Step 3: Cross multiply
    277,208.82x = 382,561.20 × 156,347.55
  4. Step 4: Simplify right side
    277,208.82x = 59,812,506,345.06
  5. Step 5: Solve for x
    x = 59,812,506,345.06/277,208.82
  6. Step 6: Final answer
    x = 215,766.97

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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.