Home / 250,772.85-346,066.53-143,345.21

Finding the Fourth Proportional to 250,772.85, 346,066.53 and 143,345.21

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Solution

The fourth proportional to 250,772.85, 346,066.53 and 143,345.21 is: 197,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,772.85 : 346,066.53 = 143,345.21 : x
  2. Step 2: Convert to fraction form
    250,772.85/346,066.53 = 143,345.21/x
  3. Step 3: Cross multiply
    250,772.85x = 346,066.53 × 143,345.21
  4. Step 4: Simplify right side
    250,772.85x = 49,606,977,686.49
  5. Step 5: Solve for x
    x = 49,606,977,686.49/250,772.85
  6. Step 6: Final answer
    x = 197,816.39

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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.