Home / 113,187.58-156,197.94-61,504.22

Finding the Fourth Proportional to 113,187.58, 156,197.94 and 61,504.22

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Solution

The fourth proportional to 113,187.58, 156,197.94 and 61,504.22 is: 84,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187.58 : 156,197.94 = 61,504.22 : x
  2. Step 2: Convert to fraction form
    113,187.58/156,197.94 = 61,504.22/x
  3. Step 3: Cross multiply
    113,187.58x = 156,197.94 × 61,504.22
  4. Step 4: Simplify right side
    113,187.58x = 9,606,832,465.31
  5. Step 5: Solve for x
    x = 9,606,832,465.31/113,187.58
  6. Step 6: Final answer
    x = 84,875.33

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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.