Home / 277,390.37-382,801.85-156,533.11

Finding the Fourth Proportional to 277,390.37, 382,801.85 and 156,533.11

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Solution

The fourth proportional to 277,390.37, 382,801.85 and 156,533.11 is: 216,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,390.37 : 382,801.85 = 156,533.11 : x
  2. Step 2: Convert to fraction form
    277,390.37/382,801.85 = 156,533.11/x
  3. Step 3: Cross multiply
    277,390.37x = 382,801.85 × 156,533.11
  4. Step 4: Simplify right side
    277,390.37x = 59,921,162,941.58
  5. Step 5: Solve for x
    x = 59,921,162,941.58/277,390.37
  6. Step 6: Final answer
    x = 216,017.46

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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.