Home / 126,989.08-190,571.10-56,946.76

Finding the Fourth Proportional to 126,989.08, 190,571.10 and 56,946.76

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Solution

The fourth proportional to 126,989.08, 190,571.10 and 56,946.76 is: 85,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,989.08 : 190,571.10 = 56,946.76 : x
  2. Step 2: Convert to fraction form
    126,989.08/190,571.10 = 56,946.76/x
  3. Step 3: Cross multiply
    126,989.08x = 190,571.10 × 56,946.76
  4. Step 4: Simplify right side
    126,989.08x = 10,852,406,694.64
  5. Step 5: Solve for x
    x = 10,852,406,694.64/126,989.08
  6. Step 6: Final answer
    x = 85,459.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.