Home / 253,656.06-350,032.86-138,935.22

Finding the Fourth Proportional to 253,656.06, 350,032.86 and 138,935.22

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Solution

The fourth proportional to 253,656.06, 350,032.86 and 138,935.22 is: 191,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,656.06 : 350,032.86 = 138,935.22 : x
  2. Step 2: Convert to fraction form
    253,656.06/350,032.86 = 138,935.22/x
  3. Step 3: Cross multiply
    253,656.06x = 350,032.86 × 138,935.22
  4. Step 4: Simplify right side
    253,656.06x = 48,631,892,411.33
  5. Step 5: Solve for x
    x = 48,631,892,411.33/253,656.06
  6. Step 6: Final answer
    x = 191,723.76

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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.