Home / 153,530.05-230,316.60-53,667.53

Finding the Fourth Proportional to 153,530.05, 230,316.60 and 53,667.53

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Solution

The fourth proportional to 153,530.05, 230,316.60 and 53,667.53 is: 80,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,530.05 : 230,316.60 = 53,667.53 : x
  2. Step 2: Convert to fraction form
    153,530.05/230,316.60 = 53,667.53/x
  3. Step 3: Cross multiply
    153,530.05x = 230,316.60 × 53,667.53
  4. Step 4: Simplify right side
    153,530.05x = 12,360,521,989.04
  5. Step 5: Solve for x
    x = 12,360,521,989.04/153,530.05
  6. Step 6: Final answer
    x = 80,508.81

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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.