Home / 150,495.06-207,683.19-83,427.06

Finding the Fourth Proportional to 150,495.06, 207,683.19 and 83,427.06

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Solution

The fourth proportional to 150,495.06, 207,683.19 and 83,427.06 is: 115,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,495.06 : 207,683.19 = 83,427.06 : x
  2. Step 2: Convert to fraction form
    150,495.06/207,683.19 = 83,427.06/x
  3. Step 3: Cross multiply
    150,495.06x = 207,683.19 × 83,427.06
  4. Step 4: Simplify right side
    150,495.06x = 17,326,397,953.12
  5. Step 5: Solve for x
    x = 17,326,397,953.12/150,495.06
  6. Step 6: Final answer
    x = 115,129.35

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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.