Home / 156,235.14-215,603.34-84,613.50

Finding the Fourth Proportional to 156,235.14, 215,603.34 and 84,613.50

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Solution

The fourth proportional to 156,235.14, 215,603.34 and 84,613.50 is: 116,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,235.14 : 215,603.34 = 84,613.50 : x
  2. Step 2: Convert to fraction form
    156,235.14/215,603.34 = 84,613.50/x
  3. Step 3: Cross multiply
    156,235.14x = 215,603.34 × 84,613.50
  4. Step 4: Simplify right side
    156,235.14x = 18,242,953,209.09
  5. Step 5: Solve for x
    x = 18,242,953,209.09/156,235.14
  6. Step 6: Final answer
    x = 116,766.01

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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.