Home / 219,088.73-328,629.68-112,411.13

Finding the Fourth Proportional to 219,088.73, 328,629.68 and 112,411.13

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Solution

The fourth proportional to 219,088.73, 328,629.68 and 112,411.13 is: 168,614.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,088.73 : 328,629.68 = 112,411.13 : x
  2. Step 2: Convert to fraction form
    219,088.73/328,629.68 = 112,411.13/x
  3. Step 3: Cross multiply
    219,088.73x = 328,629.68 × 112,411.13
  4. Step 4: Simplify right side
    219,088.73x = 36,941,632,212.83
  5. Step 5: Solve for x
    x = 36,941,632,212.83/219,088.73
  6. Step 6: Final answer
    x = 168,614.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.