Home / 136,396.04-188,220.66-98,604.68

Finding the Fourth Proportional to 136,396.04, 188,220.66 and 98,604.68

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Solution

The fourth proportional to 136,396.04, 188,220.66 and 98,604.68 is: 136,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,396.04 : 188,220.66 = 98,604.68 : x
  2. Step 2: Convert to fraction form
    136,396.04/188,220.66 = 98,604.68/x
  3. Step 3: Cross multiply
    136,396.04x = 188,220.66 × 98,604.68
  4. Step 4: Simplify right side
    136,396.04x = 18,559,437,948.69
  5. Step 5: Solve for x
    x = 18,559,437,948.69/136,396.04
  6. Step 6: Final answer
    x = 136,070.21

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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.