Home / 122,216.83-168,658.70-68,501.86

Finding the Fourth Proportional to 122,216.83, 168,658.70 and 68,501.86

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Solution

The fourth proportional to 122,216.83, 168,658.70 and 68,501.86 is: 94,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,216.83 : 168,658.70 = 68,501.86 : x
  2. Step 2: Convert to fraction form
    122,216.83/168,658.70 = 68,501.86/x
  3. Step 3: Cross multiply
    122,216.83x = 168,658.70 × 68,501.86
  4. Step 4: Simplify right side
    122,216.83x = 11,553,434,312.67
  5. Step 5: Solve for x
    x = 11,553,434,312.67/122,216.83
  6. Step 6: Final answer
    x = 94,532.27

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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.