Home / 156,102.36-215,421.52-84,482.46

Finding the Fourth Proportional to 156,102.36, 215,421.52 and 84,482.46

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Solution

The fourth proportional to 156,102.36, 215,421.52 and 84,482.46 is: 116,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,102.36 : 215,421.52 = 84,482.46 : x
  2. Step 2: Convert to fraction form
    156,102.36/215,421.52 = 84,482.46/x
  3. Step 3: Cross multiply
    156,102.36x = 215,421.52 × 84,482.46
  4. Step 4: Simplify right side
    156,102.36x = 18,199,339,946.54
  5. Step 5: Solve for x
    x = 18,199,339,946.54/156,102.36
  6. Step 6: Final answer
    x = 116,585.94

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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.