Home / 145,096.06-200,322.58-99,757.12

Finding the Fourth Proportional to 145,096.06, 200,322.58 and 99,757.12

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Solution

The fourth proportional to 145,096.06, 200,322.58 and 99,757.12 is: 137,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,096.06 : 200,322.58 = 99,757.12 : x
  2. Step 2: Convert to fraction form
    145,096.06/200,322.58 = 99,757.12/x
  3. Step 3: Cross multiply
    145,096.06x = 200,322.58 × 99,757.12
  4. Step 4: Simplify right side
    145,096.06x = 19,983,603,651.77
  5. Step 5: Solve for x
    x = 19,983,603,651.77/145,096.06
  6. Step 6: Final answer
    x = 137,726.71

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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.