Home / 112,101.14-154,700.63-61,801.94

Finding the Fourth Proportional to 112,101.14, 154,700.63 and 61,801.94

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Solution

The fourth proportional to 112,101.14, 154,700.63 and 61,801.94 is: 85,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101.14 : 154,700.63 = 61,801.94 : x
  2. Step 2: Convert to fraction form
    112,101.14/154,700.63 = 61,801.94/x
  3. Step 3: Cross multiply
    112,101.14x = 154,700.63 × 61,801.94
  4. Step 4: Simplify right side
    112,101.14x = 9,560,799,053.22
  5. Step 5: Solve for x
    x = 9,560,799,053.22/112,101.14
  6. Step 6: Final answer
    x = 85,287.26

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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.