Home / 113,816.88-157,001.76-66,064.08

Finding the Fourth Proportional to 113,816.88, 157,001.76 and 66,064.08

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Solution

The fourth proportional to 113,816.88, 157,001.76 and 66,064.08 is: 91,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,816.88 : 157,001.76 = 66,064.08 : x
  2. Step 2: Convert to fraction form
    113,816.88/157,001.76 = 66,064.08/x
  3. Step 3: Cross multiply
    113,816.88x = 157,001.76 × 66,064.08
  4. Step 4: Simplify right side
    113,816.88x = 10,372,176,832.78
  5. Step 5: Solve for x
    x = 10,372,176,832.78/113,816.88
  6. Step 6: Final answer
    x = 91,130.39

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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.