Home / 122,901.22-169,568.43-84,671.11

Finding the Fourth Proportional to 122,901.22, 169,568.43 and 84,671.11

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Solution

The fourth proportional to 122,901.22, 169,568.43 and 84,671.11 is: 116,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,901.22 : 169,568.43 = 84,671.11 : x
  2. Step 2: Convert to fraction form
    122,901.22/169,568.43 = 84,671.11/x
  3. Step 3: Cross multiply
    122,901.22x = 169,568.43 × 84,671.11
  4. Step 4: Simplify right side
    122,901.22x = 14,357,547,189.06
  5. Step 5: Solve for x
    x = 14,357,547,189.06/122,901.22
  6. Step 6: Final answer
    x = 116,821.84

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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.