Home / 122,313.11-168,801.34-67,875.59

Finding the Fourth Proportional to 122,313.11, 168,801.34 and 67,875.59

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Solution

The fourth proportional to 122,313.11, 168,801.34 and 67,875.59 is: 93,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,313.11 : 168,801.34 = 67,875.59 : x
  2. Step 2: Convert to fraction form
    122,313.11/168,801.34 = 67,875.59/x
  3. Step 3: Cross multiply
    122,313.11x = 168,801.34 × 67,875.59
  4. Step 4: Simplify right side
    122,313.11x = 11,457,490,335.40
  5. Step 5: Solve for x
    x = 11,457,490,335.40/122,313.11
  6. Step 6: Final answer
    x = 93,673.44

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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.