Home / 128,582.49-192,886.43-44,331.58

Finding the Fourth Proportional to 128,582.49, 192,886.43 and 44,331.58

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Solution

The fourth proportional to 128,582.49, 192,886.43 and 44,331.58 is: 66,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,582.49 : 192,886.43 = 44,331.58 : x
  2. Step 2: Convert to fraction form
    128,582.49/192,886.43 = 44,331.58/x
  3. Step 3: Cross multiply
    128,582.49x = 192,886.43 × 44,331.58
  4. Step 4: Simplify right side
    128,582.49x = 8,550,959,386.29
  5. Step 5: Solve for x
    x = 8,550,959,386.29/128,582.49
  6. Step 6: Final answer
    x = 66,501.74

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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.