Home / 153,553.31-230,184.16-53,648.41

Finding the Fourth Proportional to 153,553.31, 230,184.16 and 53,648.41

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Solution

The fourth proportional to 153,553.31, 230,184.16 and 53,648.41 is: 80,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,553.31 : 230,184.16 = 53,648.41 : x
  2. Step 2: Convert to fraction form
    153,553.31/230,184.16 = 53,648.41/x
  3. Step 3: Cross multiply
    153,553.31x = 230,184.16 × 53,648.41
  4. Step 4: Simplify right side
    153,553.31x = 12,349,014,191.19
  5. Step 5: Solve for x
    x = 12,349,014,191.19/153,553.31
  6. Step 6: Final answer
    x = 80,421.67

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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.