Home / 156,333.60-215,804.88-111,682.08

Finding the Fourth Proportional to 156,333.60, 215,804.88 and 111,682.08

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Solution

The fourth proportional to 156,333.60, 215,804.88 and 111,682.08 is: 154,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,333.60 : 215,804.88 = 111,682.08 : x
  2. Step 2: Convert to fraction form
    156,333.60/215,804.88 = 111,682.08/x
  3. Step 3: Cross multiply
    156,333.60x = 215,804.88 × 111,682.08
  4. Step 4: Simplify right side
    156,333.60x = 24,101,537,872.55
  5. Step 5: Solve for x
    x = 24,101,537,872.55/156,333.60
  6. Step 6: Final answer
    x = 154,167.36

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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.