Home / 109,656.70-151,327.52-64,335.46

Finding the Fourth Proportional to 109,656.70, 151,327.52 and 64,335.46

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Solution

The fourth proportional to 109,656.70, 151,327.52 and 64,335.46 is: 88,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,656.70 : 151,327.52 = 64,335.46 : x
  2. Step 2: Convert to fraction form
    109,656.70/151,327.52 = 64,335.46/x
  3. Step 3: Cross multiply
    109,656.70x = 151,327.52 × 64,335.46
  4. Step 4: Simplify right side
    109,656.70x = 9,735,725,609.86
  5. Step 5: Solve for x
    x = 9,735,725,609.86/109,656.70
  6. Step 6: Final answer
    x = 88,783.68

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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.