Home / 113,921.78-157,208.99-62,933.40

Finding the Fourth Proportional to 113,921.78, 157,208.99 and 62,933.40

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Solution

The fourth proportional to 113,921.78, 157,208.99 and 62,933.40 is: 86,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,921.78 : 157,208.99 = 62,933.40 : x
  2. Step 2: Convert to fraction form
    113,921.78/157,208.99 = 62,933.40/x
  3. Step 3: Cross multiply
    113,921.78x = 157,208.99 × 62,933.40
  4. Step 4: Simplify right side
    113,921.78x = 9,893,695,936.60
  5. Step 5: Solve for x
    x = 9,893,695,936.60/113,921.78
  6. Step 6: Final answer
    x = 86,846.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.