Home / 157,421.70-236,188.94-67,426.65

Finding the Fourth Proportional to 157,421.70, 236,188.94 and 67,426.65

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Solution

The fourth proportional to 157,421.70, 236,188.94 and 67,426.65 is: 101,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,421.70 : 236,188.94 = 67,426.65 : x
  2. Step 2: Convert to fraction form
    157,421.70/236,188.94 = 67,426.65/x
  3. Step 3: Cross multiply
    157,421.70x = 236,188.94 × 67,426.65
  4. Step 4: Simplify right side
    157,421.70x = 15,925,429,508.04
  5. Step 5: Solve for x
    x = 15,925,429,508.04/157,421.70
  6. Step 6: Final answer
    x = 101,164.13

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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.