Home / 113,201.86-156,222.31-62,216.40

Finding the Fourth Proportional to 113,201.86, 156,222.31 and 62,216.40

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Solution

The fourth proportional to 113,201.86, 156,222.31 and 62,216.40 is: 85,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,201.86 : 156,222.31 = 62,216.40 : x
  2. Step 2: Convert to fraction form
    113,201.86/156,222.31 = 62,216.40/x
  3. Step 3: Cross multiply
    113,201.86x = 156,222.31 × 62,216.40
  4. Step 4: Simplify right side
    113,201.86x = 9,719,588,986.51
  5. Step 5: Solve for x
    x = 9,719,588,986.51/113,201.86
  6. Step 6: Final answer
    x = 85,860.68

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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.