Home / 140,367.04-193,703.32-76,705.22

Finding the Fourth Proportional to 140,367.04, 193,703.32 and 76,705.22

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Solution

The fourth proportional to 140,367.04, 193,703.32 and 76,705.22 is: 105,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,367.04 : 193,703.32 = 76,705.22 : x
  2. Step 2: Convert to fraction form
    140,367.04/193,703.32 = 76,705.22/x
  3. Step 3: Cross multiply
    140,367.04x = 193,703.32 × 76,705.22
  4. Step 4: Simplify right side
    140,367.04x = 14,858,055,775.33
  5. Step 5: Solve for x
    x = 14,858,055,775.33/140,367.04
  6. Step 6: Final answer
    x = 105,851.46

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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.