Home / 277,830.28-383,440.50-164,696.20

Finding the Fourth Proportional to 277,830.28, 383,440.50 and 164,696.20

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Solution

The fourth proportional to 277,830.28, 383,440.50 and 164,696.20 is: 227,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,830.28 : 383,440.50 = 164,696.20 : x
  2. Step 2: Convert to fraction form
    277,830.28/383,440.50 = 164,696.20/x
  3. Step 3: Cross multiply
    277,830.28x = 383,440.50 × 164,696.20
  4. Step 4: Simplify right side
    277,830.28x = 63,151,193,276.10
  5. Step 5: Solve for x
    x = 63,151,193,276.10/277,830.28
  6. Step 6: Final answer
    x = 227,301.33

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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.