Home / 145,302.35-217,609.07-92,551.91

Finding the Fourth Proportional to 145,302.35, 217,609.07 and 92,551.91

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Solution

The fourth proportional to 145,302.35, 217,609.07 and 92,551.91 is: 138,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,302.35 : 217,609.07 = 92,551.91 : x
  2. Step 2: Convert to fraction form
    145,302.35/217,609.07 = 92,551.91/x
  3. Step 3: Cross multiply
    145,302.35x = 217,609.07 × 92,551.91
  4. Step 4: Simplify right side
    145,302.35x = 20,140,133,511.02
  5. Step 5: Solve for x
    x = 20,140,133,511.02/145,302.35
  6. Step 6: Final answer
    x = 138,608.45

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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.