Home / 147,171.03-203,124.02-83,514.75

Finding the Fourth Proportional to 147,171.03, 203,124.02 and 83,514.75

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Solution

The fourth proportional to 147,171.03, 203,124.02 and 83,514.75 is: 115,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,171.03 : 203,124.02 = 83,514.75 : x
  2. Step 2: Convert to fraction form
    147,171.03/203,124.02 = 83,514.75/x
  3. Step 3: Cross multiply
    147,171.03x = 203,124.02 × 83,514.75
  4. Step 4: Simplify right side
    147,171.03x = 16,963,851,331.72
  5. Step 5: Solve for x
    x = 16,963,851,331.72/147,171.03
  6. Step 6: Final answer
    x = 115,266.24

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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.