Home / 277,311.73-382,681.36-156,451.40

Finding the Fourth Proportional to 277,311.73, 382,681.36 and 156,451.40

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Solution

The fourth proportional to 277,311.73, 382,681.36 and 156,451.40 is: 215,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,311.73 : 382,681.36 = 156,451.40 : x
  2. Step 2: Convert to fraction form
    277,311.73/382,681.36 = 156,451.40/x
  3. Step 3: Cross multiply
    277,311.73x = 382,681.36 × 156,451.40
  4. Step 4: Simplify right side
    277,311.73x = 59,871,034,525.90
  5. Step 5: Solve for x
    x = 59,871,034,525.90/277,311.73
  6. Step 6: Final answer
    x = 215,897.95

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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.