Home / 112,265.80-154,937.70-83,922.28

Finding the Fourth Proportional to 112,265.80, 154,937.70 and 83,922.28

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Solution

The fourth proportional to 112,265.80, 154,937.70 and 83,922.28 is: 115,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,265.80 : 154,937.70 = 83,922.28 : x
  2. Step 2: Convert to fraction form
    112,265.80/154,937.70 = 83,922.28/x
  3. Step 3: Cross multiply
    112,265.80x = 154,937.70 × 83,922.28
  4. Step 4: Simplify right side
    112,265.80x = 13,002,725,041.96
  5. Step 5: Solve for x
    x = 13,002,725,041.96/112,265.80
  6. Step 6: Final answer
    x = 115,820.89

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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.