Home / 156,653.10-216,182.39-85,033.13

Finding the Fourth Proportional to 156,653.10, 216,182.39 and 85,033.13

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Solution

The fourth proportional to 156,653.10, 216,182.39 and 85,033.13 is: 117,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,653.10 : 216,182.39 = 85,033.13 : x
  2. Step 2: Convert to fraction form
    156,653.10/216,182.39 = 85,033.13/x
  3. Step 3: Cross multiply
    156,653.10x = 216,182.39 × 85,033.13
  4. Step 4: Simplify right side
    156,653.10x = 18,382,663,766.50
  5. Step 5: Solve for x
    x = 18,382,663,766.50/156,653.10
  6. Step 6: Final answer
    x = 117,346.31

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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.