Home / 513,384.96-769,795.56-158,300.40

Finding the Fourth Proportional to 513,384.96, 769,795.56 and 158,300.40

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Solution

The fourth proportional to 513,384.96, 769,795.56 and 158,300.40 is: 237,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,384.96 : 769,795.56 = 158,300.40 : x
  2. Step 2: Convert to fraction form
    513,384.96/769,795.56 = 158,300.40/x
  3. Step 3: Cross multiply
    513,384.96x = 769,795.56 × 158,300.40
  4. Step 4: Simplify right side
    513,384.96x = 121,858,945,066.22
  5. Step 5: Solve for x
    x = 121,858,945,066.22/513,384.96
  6. Step 6: Final answer
    x = 237,363.68

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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.