Home / 161,784.20-242,579.10-83,052.20

Finding the Fourth Proportional to 161,784.20, 242,579.10 and 83,052.20

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Solution

The fourth proportional to 161,784.20, 242,579.10 and 83,052.20 is: 124,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,784.20 : 242,579.10 = 83,052.20 : x
  2. Step 2: Convert to fraction form
    161,784.20/242,579.10 = 83,052.20/x
  3. Step 3: Cross multiply
    161,784.20x = 242,579.10 × 83,052.20
  4. Step 4: Simplify right side
    161,784.20x = 20,146,727,929.02
  5. Step 5: Solve for x
    x = 20,146,727,929.02/161,784.20
  6. Step 6: Final answer
    x = 124,528.40

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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.