Home / 149,867.04-206,859.60-98,916.96

Finding the Fourth Proportional to 149,867.04, 206,859.60 and 98,916.96

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Solution

The fourth proportional to 149,867.04, 206,859.60 and 98,916.96 is: 136,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,867.04 : 206,859.60 = 98,916.96 : x
  2. Step 2: Convert to fraction form
    149,867.04/206,859.60 = 98,916.96/x
  3. Step 3: Cross multiply
    149,867.04x = 206,859.60 × 98,916.96
  4. Step 4: Simplify right side
    149,867.04x = 20,461,922,778.82
  5. Step 5: Solve for x
    x = 20,461,922,778.82/149,867.04
  6. Step 6: Final answer
    x = 136,533.84

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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.