Home / 117,512.40-162,083.28-83,001.60

Finding the Fourth Proportional to 117,512.40, 162,083.28 and 83,001.60

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Solution

The fourth proportional to 117,512.40, 162,083.28 and 83,001.60 is: 114,483.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,512.40 : 162,083.28 = 83,001.60 : x
  2. Step 2: Convert to fraction form
    117,512.40/162,083.28 = 83,001.60/x
  3. Step 3: Cross multiply
    117,512.40x = 162,083.28 × 83,001.60
  4. Step 4: Simplify right side
    117,512.40x = 13,453,171,573.25
  5. Step 5: Solve for x
    x = 13,453,171,573.25/117,512.40
  6. Step 6: Final answer
    x = 114,483.00

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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.