Home / 157,837.51-217,810.24-94,142.35

Finding the Fourth Proportional to 157,837.51, 217,810.24 and 94,142.35

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Solution

The fourth proportional to 157,837.51, 217,810.24 and 94,142.35 is: 129,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,837.51 : 217,810.24 = 94,142.35 : x
  2. Step 2: Convert to fraction form
    157,837.51/217,810.24 = 94,142.35/x
  3. Step 3: Cross multiply
    157,837.51x = 217,810.24 × 94,142.35
  4. Step 4: Simplify right side
    157,837.51x = 20,505,167,847.66
  5. Step 5: Solve for x
    x = 20,505,167,847.66/157,837.51
  6. Step 6: Final answer
    x = 129,913.15

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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.