Home / 113,820.19-157,074.37-62,832.80

Finding the Fourth Proportional to 113,820.19, 157,074.37 and 62,832.80

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Solution

The fourth proportional to 113,820.19, 157,074.37 and 62,832.80 is: 86,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.19 : 157,074.37 = 62,832.80 : x
  2. Step 2: Convert to fraction form
    113,820.19/157,074.37 = 62,832.80/x
  3. Step 3: Cross multiply
    113,820.19x = 157,074.37 × 62,832.80
  4. Step 4: Simplify right side
    113,820.19x = 9,869,422,180.83
  5. Step 5: Solve for x
    x = 9,869,422,180.83/113,820.19
  6. Step 6: Final answer
    x = 86,710.65

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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.