Home / 557,131.51-835,681.32-157,771.34

Finding the Fourth Proportional to 557,131.51, 835,681.32 and 157,771.34

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Solution

The fourth proportional to 557,131.51, 835,681.32 and 157,771.34 is: 236,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,131.51 : 835,681.32 = 157,771.34 : x
  2. Step 2: Convert to fraction form
    557,131.51/835,681.32 = 157,771.34/x
  3. Step 3: Cross multiply
    557,131.51x = 835,681.32 × 157,771.34
  4. Step 4: Simplify right side
    557,131.51x = 131,846,560,624.77
  5. Step 5: Solve for x
    x = 131,846,560,624.77/557,131.51
  6. Step 6: Final answer
    x = 236,652.49

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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.