Home / 237,784.09-328,088.15-161,313.61

Finding the Fourth Proportional to 237,784.09, 328,088.15 and 161,313.61

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Solution

The fourth proportional to 237,784.09, 328,088.15 and 161,313.61 is: 222,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,784.09 : 328,088.15 = 161,313.61 : x
  2. Step 2: Convert to fraction form
    237,784.09/328,088.15 = 161,313.61/x
  3. Step 3: Cross multiply
    237,784.09x = 328,088.15 × 161,313.61
  4. Step 4: Simplify right side
    237,784.09x = 52,925,083,068.15
  5. Step 5: Solve for x
    x = 52,925,083,068.15/237,784.09
  6. Step 6: Final answer
    x = 222,576.22

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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.