Home / 156,218.80-215,579.28-84,598.24

Finding the Fourth Proportional to 156,218.80, 215,579.28 and 84,598.24

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Solution

The fourth proportional to 156,218.80, 215,579.28 and 84,598.24 is: 116,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,218.80 : 215,579.28 = 84,598.24 : x
  2. Step 2: Convert to fraction form
    156,218.80/215,579.28 = 84,598.24/x
  3. Step 3: Cross multiply
    156,218.80x = 215,579.28 × 84,598.24
  4. Step 4: Simplify right side
    156,218.80x = 18,237,627,668.47
  5. Step 5: Solve for x
    x = 18,237,627,668.47/156,218.80
  6. Step 6: Final answer
    x = 116,744.13

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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.