Home / 156,094.12-215,410.57-84,474.15

Finding the Fourth Proportional to 156,094.12, 215,410.57 and 84,474.15

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Solution

The fourth proportional to 156,094.12, 215,410.57 and 84,474.15 is: 116,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,094.12 : 215,410.57 = 84,474.15 : x
  2. Step 2: Convert to fraction form
    156,094.12/215,410.57 = 84,474.15/x
  3. Step 3: Cross multiply
    156,094.12x = 215,410.57 × 84,474.15
  4. Step 4: Simplify right side
    156,094.12x = 18,196,623,782.79
  5. Step 5: Solve for x
    x = 18,196,623,782.79/156,094.12
  6. Step 6: Final answer
    x = 116,574.69

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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.