Home / 140,237.42-193,528.34-76,575.21

Finding the Fourth Proportional to 140,237.42, 193,528.34 and 76,575.21

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Solution

The fourth proportional to 140,237.42, 193,528.34 and 76,575.21 is: 105,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,237.42 : 193,528.34 = 76,575.21 : x
  2. Step 2: Convert to fraction form
    140,237.42/193,528.34 = 76,575.21/x
  3. Step 3: Cross multiply
    140,237.42x = 193,528.34 × 76,575.21
  4. Step 4: Simplify right side
    140,237.42x = 14,819,472,893.58
  5. Step 5: Solve for x
    x = 14,819,472,893.58/140,237.42
  6. Step 6: Final answer
    x = 105,674.17

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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.