Home / 157,825.21-236,738.70-52,643.89

Finding the Fourth Proportional to 157,825.21, 236,738.70 and 52,643.89

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Solution

The fourth proportional to 157,825.21, 236,738.70 and 52,643.89 is: 78,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,825.21 : 236,738.70 = 52,643.89 : x
  2. Step 2: Convert to fraction form
    157,825.21/236,738.70 = 52,643.89/x
  3. Step 3: Cross multiply
    157,825.21x = 236,738.70 × 52,643.89
  4. Step 4: Simplify right side
    157,825.21x = 12,462,846,081.54
  5. Step 5: Solve for x
    x = 12,462,846,081.54/157,825.21
  6. Step 6: Final answer
    x = 78,966.13

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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.