Home / 140,465.52-193,845.51-76,809.24

Finding the Fourth Proportional to 140,465.52, 193,845.51 and 76,809.24

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Solution

The fourth proportional to 140,465.52, 193,845.51 and 76,809.24 is: 105,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,465.52 : 193,845.51 = 76,809.24 : x
  2. Step 2: Convert to fraction form
    140,465.52/193,845.51 = 76,809.24/x
  3. Step 3: Cross multiply
    140,465.52x = 193,845.51 × 76,809.24
  4. Step 4: Simplify right side
    140,465.52x = 14,889,126,300.51
  5. Step 5: Solve for x
    x = 14,889,126,300.51/140,465.52
  6. Step 6: Final answer
    x = 105,998.44

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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.