Home / 187,820.05-259,192.47-101,779.22

Finding the Fourth Proportional to 187,820.05, 259,192.47 and 101,779.22

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Solution

The fourth proportional to 187,820.05, 259,192.47 and 101,779.22 is: 140,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,820.05 : 259,192.47 = 101,779.22 : x
  2. Step 2: Convert to fraction form
    187,820.05/259,192.47 = 101,779.22/x
  3. Step 3: Cross multiply
    187,820.05x = 259,192.47 × 101,779.22
  4. Step 4: Simplify right side
    187,820.05x = 26,380,407,426.47
  5. Step 5: Solve for x
    x = 26,380,407,426.47/187,820.05
  6. Step 6: Final answer
    x = 140,455.76

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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.