Home / 109,657.02-151,330.36-67,207.34

Finding the Fourth Proportional to 109,657.02, 151,330.36 and 67,207.34

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Solution

The fourth proportional to 109,657.02, 151,330.36 and 67,207.34 is: 92,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,657.02 : 151,330.36 = 67,207.34 : x
  2. Step 2: Convert to fraction form
    109,657.02/151,330.36 = 67,207.34/x
  3. Step 3: Cross multiply
    109,657.02x = 151,330.36 × 67,207.34
  4. Step 4: Simplify right side
    109,657.02x = 10,170,510,956.84
  5. Step 5: Solve for x
    x = 10,170,510,956.84/109,657.02
  6. Step 6: Final answer
    x = 92,748.38

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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.