Home / 603,437.27-905,155.88-154,159.11

Finding the Fourth Proportional to 603,437.27, 905,155.88 and 154,159.11

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Solution

The fourth proportional to 603,437.27, 905,155.88 and 154,159.11 is: 231,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,437.27 : 905,155.88 = 154,159.11 : x
  2. Step 2: Convert to fraction form
    603,437.27/905,155.88 = 154,159.11/x
  3. Step 3: Cross multiply
    603,437.27x = 905,155.88 × 154,159.11
  4. Step 4: Simplify right side
    603,437.27x = 139,538,024,101.27
  5. Step 5: Solve for x
    x = 139,538,024,101.27/603,437.27
  6. Step 6: Final answer
    x = 231,238.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.