Home / 172,287.64-237,778.23-104,307.18

Finding the Fourth Proportional to 172,287.64, 237,778.23 and 104,307.18

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Solution

The fourth proportional to 172,287.64, 237,778.23 and 104,307.18 is: 143,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,287.64 : 237,778.23 = 104,307.18 : x
  2. Step 2: Convert to fraction form
    172,287.64/237,778.23 = 104,307.18/x
  3. Step 3: Cross multiply
    172,287.64x = 237,778.23 × 104,307.18
  4. Step 4: Simplify right side
    172,287.64x = 24,801,976,636.69
  5. Step 5: Solve for x
    x = 24,801,976,636.69/172,287.64
  6. Step 6: Final answer
    x = 143,956.80

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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.