Home / 156,248.04-215,620.58-84,626.28

Finding the Fourth Proportional to 156,248.04, 215,620.58 and 84,626.28

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Solution

The fourth proportional to 156,248.04, 215,620.58 and 84,626.28 is: 116,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,248.04 : 215,620.58 = 84,626.28 : x
  2. Step 2: Convert to fraction form
    156,248.04/215,620.58 = 84,626.28/x
  3. Step 3: Cross multiply
    156,248.04x = 215,620.58 × 84,626.28
  4. Step 4: Simplify right side
    156,248.04x = 18,247,167,576.84
  5. Step 5: Solve for x
    x = 18,247,167,576.84/156,248.04
  6. Step 6: Final answer
    x = 116,783.34

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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.