Home / 176,318.57-243,322.53-99,835.65

Finding the Fourth Proportional to 176,318.57, 243,322.53 and 99,835.65

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Solution

The fourth proportional to 176,318.57, 243,322.53 and 99,835.65 is: 137,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,318.57 : 243,322.53 = 99,835.65 : x
  2. Step 2: Convert to fraction form
    176,318.57/243,322.53 = 99,835.65/x
  3. Step 3: Cross multiply
    176,318.57x = 243,322.53 × 99,835.65
  4. Step 4: Simplify right side
    176,318.57x = 24,292,263,471.56
  5. Step 5: Solve for x
    x = 24,292,263,471.56/176,318.57
  6. Step 6: Final answer
    x = 137,774.84

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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.