Home / 122,184.95-168,612.46-71,194.50

Finding the Fourth Proportional to 122,184.95, 168,612.46 and 71,194.50

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Solution

The fourth proportional to 122,184.95, 168,612.46 and 71,194.50 is: 98,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,184.95 : 168,612.46 = 71,194.50 : x
  2. Step 2: Convert to fraction form
    122,184.95/168,612.46 = 71,194.50/x
  3. Step 3: Cross multiply
    122,184.95x = 168,612.46 × 71,194.50
  4. Step 4: Simplify right side
    122,184.95x = 12,004,279,605.48
  5. Step 5: Solve for x
    x = 12,004,279,605.48/122,184.95
  6. Step 6: Final answer
    x = 98,246.80

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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.