Home / 238,097.23-328,588.94-157,384.78

Finding the Fourth Proportional to 238,097.23, 328,588.94 and 157,384.78

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Solution

The fourth proportional to 238,097.23, 328,588.94 and 157,384.78 is: 217,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,097.23 : 328,588.94 = 157,384.78 : x
  2. Step 2: Convert to fraction form
    238,097.23/328,588.94 = 157,384.78/x
  3. Step 3: Cross multiply
    238,097.23x = 328,588.94 × 157,384.78
  4. Step 4: Simplify right side
    238,097.23x = 51,714,898,032.33
  5. Step 5: Solve for x
    x = 51,714,898,032.33/238,097.23
  6. Step 6: Final answer
    x = 217,200.75

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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.