Home / 277,188.36-382,497.02-156,359.34

Finding the Fourth Proportional to 277,188.36, 382,497.02 and 156,359.34

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Solution

The fourth proportional to 277,188.36, 382,497.02 and 156,359.34 is: 215,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,188.36 : 382,497.02 = 156,359.34 : x
  2. Step 2: Convert to fraction form
    277,188.36/382,497.02 = 156,359.34/x
  3. Step 3: Cross multiply
    277,188.36x = 382,497.02 × 156,359.34
  4. Step 4: Simplify right side
    277,188.36x = 59,806,980,817.37
  5. Step 5: Solve for x
    x = 59,806,980,817.37/277,188.36
  6. Step 6: Final answer
    x = 215,762.96

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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.