Home / 277,476.32-382,918.60-156,622.72

Finding the Fourth Proportional to 277,476.32, 382,918.60 and 156,622.72

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Solution

The fourth proportional to 277,476.32, 382,918.60 and 156,622.72 is: 216,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,476.32 : 382,918.60 = 156,622.72 : x
  2. Step 2: Convert to fraction form
    277,476.32/382,918.60 = 156,622.72/x
  3. Step 3: Cross multiply
    277,476.32x = 382,918.60 × 156,622.72
  4. Step 4: Simplify right side
    277,476.32x = 59,973,752,670.59
  5. Step 5: Solve for x
    x = 59,973,752,670.59/277,476.32
  6. Step 6: Final answer
    x = 216,140.08

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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.