Home / 121,253.94-167,330.46-70,296.21

Finding the Fourth Proportional to 121,253.94, 167,330.46 and 70,296.21

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Solution

The fourth proportional to 121,253.94, 167,330.46 and 70,296.21 is: 97,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,253.94 : 167,330.46 = 70,296.21 : x
  2. Step 2: Convert to fraction form
    121,253.94/167,330.46 = 70,296.21/x
  3. Step 3: Cross multiply
    121,253.94x = 167,330.46 × 70,296.21
  4. Step 4: Simplify right side
    121,253.94x = 11,762,697,155.56
  5. Step 5: Solve for x
    x = 11,762,697,155.56/121,253.94
  6. Step 6: Final answer
    x = 97,008.78

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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.