Home / 112,582.19-169,066.47-99,960.47

Finding the Fourth Proportional to 112,582.19, 169,066.47 and 99,960.47

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Solution

The fourth proportional to 112,582.19, 169,066.47 and 99,960.47 is: 150,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,582.19 : 169,066.47 = 99,960.47 : x
  2. Step 2: Convert to fraction form
    112,582.19/169,066.47 = 99,960.47/x
  3. Step 3: Cross multiply
    112,582.19x = 169,066.47 × 99,960.47
  4. Step 4: Simplify right side
    112,582.19x = 16,899,963,802.44
  5. Step 5: Solve for x
    x = 16,899,963,802.44/112,582.19
  6. Step 6: Final answer
    x = 150,112.23

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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.