Home / 161,585.10-242,228.21-82,525.05

Finding the Fourth Proportional to 161,585.10, 242,228.21 and 82,525.05

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Solution

The fourth proportional to 161,585.10, 242,228.21 and 82,525.05 is: 123,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,585.10 : 242,228.21 = 82,525.05 : x
  2. Step 2: Convert to fraction form
    161,585.10/242,228.21 = 82,525.05/x
  3. Step 3: Cross multiply
    161,585.10x = 242,228.21 × 82,525.05
  4. Step 4: Simplify right side
    161,585.10x = 19,989,894,729.04
  5. Step 5: Solve for x
    x = 19,989,894,729.04/161,585.10
  6. Step 6: Final answer
    x = 123,711.25

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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.