Home / 112,197.16-154,825.14-64,417

Finding the Fourth Proportional to 112,197.16, 154,825.14 and 64,417

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Solution

The fourth proportional to 112,197.16, 154,825.14 and 64,417 is: 88,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,197.16 : 154,825.14 = 64,417 : x
  2. Step 2: Convert to fraction form
    112,197.16/154,825.14 = 64,417/x
  3. Step 3: Cross multiply
    112,197.16x = 154,825.14 × 64,417
  4. Step 4: Simplify right side
    112,197.16x = 9,973,371,043.38
  5. Step 5: Solve for x
    x = 9,973,371,043.38/112,197.16
  6. Step 6: Final answer
    x = 88,891.48

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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.