Home / 118,877.51-178,327.26-42,995.03

Finding the Fourth Proportional to 118,877.51, 178,327.26 and 42,995.03

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Solution

The fourth proportional to 118,877.51, 178,327.26 and 42,995.03 is: 64,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,877.51 : 178,327.26 = 42,995.03 : x
  2. Step 2: Convert to fraction form
    118,877.51/178,327.26 = 42,995.03/x
  3. Step 3: Cross multiply
    118,877.51x = 178,327.26 × 42,995.03
  4. Step 4: Simplify right side
    118,877.51x = 7,667,185,001.88
  5. Step 5: Solve for x
    x = 7,667,185,001.88/118,877.51
  6. Step 6: Final answer
    x = 64,496.52

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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.