Home / 147,425.36-203,286.22-99,595.66

Finding the Fourth Proportional to 147,425.36, 203,286.22 and 99,595.66

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Solution

The fourth proportional to 147,425.36, 203,286.22 and 99,595.66 is: 137,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,425.36 : 203,286.22 = 99,595.66 : x
  2. Step 2: Convert to fraction form
    147,425.36/203,286.22 = 99,595.66/x
  3. Step 3: Cross multiply
    147,425.36x = 203,286.22 × 99,595.66
  4. Step 4: Simplify right side
    147,425.36x = 20,246,425,249.81
  5. Step 5: Solve for x
    x = 20,246,425,249.81/147,425.36
  6. Step 6: Final answer
    x = 137,333.40

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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.