Home / 277,030.11-382,296.35-156,171.48

Finding the Fourth Proportional to 277,030.11, 382,296.35 and 156,171.48

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Solution

The fourth proportional to 277,030.11, 382,296.35 and 156,171.48 is: 215,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,030.11 : 382,296.35 = 156,171.48 : x
  2. Step 2: Convert to fraction form
    277,030.11/382,296.35 = 156,171.48/x
  3. Step 3: Cross multiply
    277,030.11x = 382,296.35 × 156,171.48
  4. Step 4: Simplify right side
    277,030.11x = 59,703,785,997.24
  5. Step 5: Solve for x
    x = 59,703,785,997.24/277,030.11
  6. Step 6: Final answer
    x = 215,513.71

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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.