Home / 136,934.60-205,056.30-101,683.40

Finding the Fourth Proportional to 136,934.60, 205,056.30 and 101,683.40

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Solution

The fourth proportional to 136,934.60, 205,056.30 and 101,683.40 is: 152,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,934.60 : 205,056.30 = 101,683.40 : x
  2. Step 2: Convert to fraction form
    136,934.60/205,056.30 = 101,683.40/x
  3. Step 3: Cross multiply
    136,934.60x = 205,056.30 × 101,683.40
  4. Step 4: Simplify right side
    136,934.60x = 20,850,821,775.42
  5. Step 5: Solve for x
    x = 20,850,821,775.42/136,934.60
  6. Step 6: Final answer
    x = 152,268.47

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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.