Home / 122,225.64-168,679.18-67,784.06

Finding the Fourth Proportional to 122,225.64, 168,679.18 and 67,784.06

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Solution

The fourth proportional to 122,225.64, 168,679.18 and 67,784.06 is: 93,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,225.64 : 168,679.18 = 67,784.06 : x
  2. Step 2: Convert to fraction form
    122,225.64/168,679.18 = 67,784.06/x
  3. Step 3: Cross multiply
    122,225.64x = 168,679.18 × 67,784.06
  4. Step 4: Simplify right side
    122,225.64x = 11,433,759,657.87
  5. Step 5: Solve for x
    x = 11,433,759,657.87/122,225.64
  6. Step 6: Final answer
    x = 93,546.33

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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.