Home / 112,221.88-154,869.44-61,924.12

Finding the Fourth Proportional to 112,221.88, 154,869.44 and 61,924.12

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Solution

The fourth proportional to 112,221.88, 154,869.44 and 61,924.12 is: 85,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,221.88 : 154,869.44 = 61,924.12 : x
  2. Step 2: Convert to fraction form
    112,221.88/154,869.44 = 61,924.12/x
  3. Step 3: Cross multiply
    112,221.88x = 154,869.44 × 61,924.12
  4. Step 4: Simplify right side
    112,221.88x = 9,590,153,786.89
  5. Step 5: Solve for x
    x = 9,590,153,786.89/112,221.88
  6. Step 6: Final answer
    x = 85,457.08

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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.