Home / 113,877.80-170,816.70-51,548.30

Finding the Fourth Proportional to 113,877.80, 170,816.70 and 51,548.30

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Solution

The fourth proportional to 113,877.80, 170,816.70 and 51,548.30 is: 77,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,877.80 : 170,816.70 = 51,548.30 : x
  2. Step 2: Convert to fraction form
    113,877.80/170,816.70 = 51,548.30/x
  3. Step 3: Cross multiply
    113,877.80x = 170,816.70 × 51,548.30
  4. Step 4: Simplify right side
    113,877.80x = 8,805,310,496.61
  5. Step 5: Solve for x
    x = 8,805,310,496.61/113,877.80
  6. Step 6: Final answer
    x = 77,322.45

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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.