Home / 202,534.15-279,496.25-111,890.13

Finding the Fourth Proportional to 202,534.15, 279,496.25 and 111,890.13

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Solution

The fourth proportional to 202,534.15, 279,496.25 and 111,890.13 is: 154,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,534.15 : 279,496.25 = 111,890.13 : x
  2. Step 2: Convert to fraction form
    202,534.15/279,496.25 = 111,890.13/x
  3. Step 3: Cross multiply
    202,534.15x = 279,496.25 × 111,890.13
  4. Step 4: Simplify right side
    202,534.15x = 31,272,872,602.60
  5. Step 5: Solve for x
    x = 31,272,872,602.60/202,534.15
  6. Step 6: Final answer
    x = 154,407.90

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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.