Home / 137,507.22-189,405.02-97,150.93

Finding the Fourth Proportional to 137,507.22, 189,405.02 and 97,150.93

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Solution

The fourth proportional to 137,507.22, 189,405.02 and 97,150.93 is: 133,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,507.22 : 189,405.02 = 97,150.93 : x
  2. Step 2: Convert to fraction form
    137,507.22/189,405.02 = 97,150.93/x
  3. Step 3: Cross multiply
    137,507.22x = 189,405.02 × 97,150.93
  4. Step 4: Simplify right side
    137,507.22x = 18,400,873,609.03
  5. Step 5: Solve for x
    x = 18,400,873,609.03/137,507.22
  6. Step 6: Final answer
    x = 133,817.51

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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.