Home / 117,297.08-161,963.15-108,341.32

Finding the Fourth Proportional to 117,297.08, 161,963.15 and 108,341.32

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Solution

The fourth proportional to 117,297.08, 161,963.15 and 108,341.32 is: 149,597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,297.08 : 161,963.15 = 108,341.32 : x
  2. Step 2: Convert to fraction form
    117,297.08/161,963.15 = 108,341.32/x
  3. Step 3: Cross multiply
    117,297.08x = 161,963.15 × 108,341.32
  4. Step 4: Simplify right side
    117,297.08x = 17,547,300,110.84
  5. Step 5: Solve for x
    x = 17,547,300,110.84/117,297.08
  6. Step 6: Final answer
    x = 149,597.08

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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.