Home / 161,785.50-242,726.13-82,955.04

Finding the Fourth Proportional to 161,785.50, 242,726.13 and 82,955.04

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Solution

The fourth proportional to 161,785.50, 242,726.13 and 82,955.04 is: 124,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,785.50 : 242,726.13 = 82,955.04 : x
  2. Step 2: Convert to fraction form
    161,785.50/242,726.13 = 82,955.04/x
  3. Step 3: Cross multiply
    161,785.50x = 242,726.13 × 82,955.04
  4. Step 4: Simplify right side
    161,785.50x = 20,135,355,823.20
  5. Step 5: Solve for x
    x = 20,135,355,823.20/161,785.50
  6. Step 6: Final answer
    x = 124,457.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.