Home / 112,107.53-154,547.64-88,192.68

Finding the Fourth Proportional to 112,107.53, 154,547.64 and 88,192.68

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Solution

The fourth proportional to 112,107.53, 154,547.64 and 88,192.68 is: 121,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,107.53 : 154,547.64 = 88,192.68 : x
  2. Step 2: Convert to fraction form
    112,107.53/154,547.64 = 88,192.68/x
  3. Step 3: Cross multiply
    112,107.53x = 154,547.64 × 88,192.68
  4. Step 4: Simplify right side
    112,107.53x = 13,629,970,559.28
  5. Step 5: Solve for x
    x = 13,629,970,559.28/112,107.53
  6. Step 6: Final answer
    x = 121,579.44

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1.5x scale

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.