Home / 157,836.80-236,767.54-52,655.70

Finding the Fourth Proportional to 157,836.80, 236,767.54 and 52,655.70

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Solution

The fourth proportional to 157,836.80, 236,767.54 and 52,655.70 is: 78,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,836.80 : 236,767.54 = 52,655.70 : x
  2. Step 2: Convert to fraction form
    157,836.80/236,767.54 = 52,655.70/x
  3. Step 3: Cross multiply
    157,836.80x = 236,767.54 × 52,655.70
  4. Step 4: Simplify right side
    157,836.80x = 12,467,160,555.98
  5. Step 5: Solve for x
    x = 12,467,160,555.98/157,836.80
  6. Step 6: Final answer
    x = 78,987.67

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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.