Home / 203,196.17-280,419.95-112,552.13

Finding the Fourth Proportional to 203,196.17, 280,419.95 and 112,552.13

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Solution

The fourth proportional to 203,196.17, 280,419.95 and 112,552.13 is: 155,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,196.17 : 280,419.95 = 112,552.13 : x
  2. Step 2: Convert to fraction form
    203,196.17/280,419.95 = 112,552.13/x
  3. Step 3: Cross multiply
    203,196.17x = 280,419.95 × 112,552.13
  4. Step 4: Simplify right side
    203,196.17x = 31,561,860,983.51
  5. Step 5: Solve for x
    x = 31,561,860,983.51/203,196.17
  6. Step 6: Final answer
    x = 155,327.04

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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.