Home / 121,228.04-167,283.36-70,242.73

Finding the Fourth Proportional to 121,228.04, 167,283.36 and 70,242.73

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Solution

The fourth proportional to 121,228.04, 167,283.36 and 70,242.73 is: 96,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,228.04 : 167,283.36 = 70,242.73 : x
  2. Step 2: Convert to fraction form
    121,228.04/167,283.36 = 70,242.73/x
  3. Step 3: Cross multiply
    121,228.04x = 167,283.36 × 70,242.73
  4. Step 4: Simplify right side
    121,228.04x = 11,750,439,471.76
  5. Step 5: Solve for x
    x = 11,750,439,471.76/121,228.04
  6. Step 6: Final answer
    x = 96,928.39

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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.