Home / 110,023.63-151,899.64-103,238.46

Finding the Fourth Proportional to 110,023.63, 151,899.64 and 103,238.46

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Solution

The fourth proportional to 110,023.63, 151,899.64 and 103,238.46 is: 142,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,023.63 : 151,899.64 = 103,238.46 : x
  2. Step 2: Convert to fraction form
    110,023.63/151,899.64 = 103,238.46/x
  3. Step 3: Cross multiply
    110,023.63x = 151,899.64 × 103,238.46
  4. Step 4: Simplify right side
    110,023.63x = 15,681,884,650.06
  5. Step 5: Solve for x
    x = 15,681,884,650.06/110,023.63
  6. Step 6: Final answer
    x = 142,531.97

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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.