Home / 140,145.48-193,425.84-83,560.50

Finding the Fourth Proportional to 140,145.48, 193,425.84 and 83,560.50

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Solution

The fourth proportional to 140,145.48, 193,425.84 and 83,560.50 is: 115,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,145.48 : 193,425.84 = 83,560.50 : x
  2. Step 2: Convert to fraction form
    140,145.48/193,425.84 = 83,560.50/x
  3. Step 3: Cross multiply
    140,145.48x = 193,425.84 × 83,560.50
  4. Step 4: Simplify right side
    140,145.48x = 16,162,759,903.32
  5. Step 5: Solve for x
    x = 16,162,759,903.32/140,145.48
  6. Step 6: Final answer
    x = 115,328.44

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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.