Home / 147,310.02-203,289.21-83,649.24

Finding the Fourth Proportional to 147,310.02, 203,289.21 and 83,649.24

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Solution

The fourth proportional to 147,310.02, 203,289.21 and 83,649.24 is: 115,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,310.02 : 203,289.21 = 83,649.24 : x
  2. Step 2: Convert to fraction form
    147,310.02/203,289.21 = 83,649.24/x
  3. Step 3: Cross multiply
    147,310.02x = 203,289.21 × 83,649.24
  4. Step 4: Simplify right side
    147,310.02x = 17,004,987,916.70
  5. Step 5: Solve for x
    x = 17,004,987,916.70/147,310.02
  6. Step 6: Final answer
    x = 115,436.74

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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.