Home / 156,133.63-215,464.35-84,514.24

Finding the Fourth Proportional to 156,133.63, 215,464.35 and 84,514.24

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Solution

The fourth proportional to 156,133.63, 215,464.35 and 84,514.24 is: 116,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,133.63 : 215,464.35 = 84,514.24 : x
  2. Step 2: Convert to fraction form
    156,133.63/215,464.35 = 84,514.24/x
  3. Step 3: Cross multiply
    156,133.63x = 215,464.35 × 84,514.24
  4. Step 4: Simplify right side
    156,133.63x = 18,209,805,787.34
  5. Step 5: Solve for x
    x = 18,209,805,787.34/156,133.63
  6. Step 6: Final answer
    x = 116,629.62

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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.