Home / 157,400.67-236,133.81-52,212.06

Finding the Fourth Proportional to 157,400.67, 236,133.81 and 52,212.06

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Solution

The fourth proportional to 157,400.67, 236,133.81 and 52,212.06 is: 78,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,400.67 : 236,133.81 = 52,212.06 : x
  2. Step 2: Convert to fraction form
    157,400.67/236,133.81 = 52,212.06/x
  3. Step 3: Cross multiply
    157,400.67x = 236,133.81 × 52,212.06
  4. Step 4: Simplify right side
    157,400.67x = 12,329,032,655.75
  5. Step 5: Solve for x
    x = 12,329,032,655.75/157,400.67
  6. Step 6: Final answer
    x = 78,328.97

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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.