Home / 118,194.24-163,056.60-77,856.24

Finding the Fourth Proportional to 118,194.24, 163,056.60 and 77,856.24

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Solution

The fourth proportional to 118,194.24, 163,056.60 and 77,856.24 is: 107,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,194.24 : 163,056.60 = 77,856.24 : x
  2. Step 2: Convert to fraction form
    118,194.24/163,056.60 = 77,856.24/x
  3. Step 3: Cross multiply
    118,194.24x = 163,056.60 × 77,856.24
  4. Step 4: Simplify right side
    118,194.24x = 12,694,973,783.18
  5. Step 5: Solve for x
    x = 12,694,973,783.18/118,194.24
  6. Step 6: Final answer
    x = 107,407.72

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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.