Home / 104,837.70-157,256.55-69,845.70

Finding the Fourth Proportional to 104,837.70, 157,256.55 and 69,845.70

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Solution

The fourth proportional to 104,837.70, 157,256.55 and 69,845.70 is: 104,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,837.70 : 157,256.55 = 69,845.70 : x
  2. Step 2: Convert to fraction form
    104,837.70/157,256.55 = 69,845.70/x
  3. Step 3: Cross multiply
    104,837.70x = 157,256.55 × 69,845.70
  4. Step 4: Simplify right side
    104,837.70x = 10,983,693,814.34
  5. Step 5: Solve for x
    x = 10,983,693,814.34/104,837.70
  6. Step 6: Final answer
    x = 104,768.55

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1.5x scale

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.