Home / 151,518.56-209,083.93-83,535.33

Finding the Fourth Proportional to 151,518.56, 209,083.93 and 83,535.33

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Solution

The fourth proportional to 151,518.56, 209,083.93 and 83,535.33 is: 115,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,518.56 : 209,083.93 = 83,535.33 : x
  2. Step 2: Convert to fraction form
    151,518.56/209,083.93 = 83,535.33/x
  3. Step 3: Cross multiply
    151,518.56x = 209,083.93 × 83,535.33
  4. Step 4: Simplify right side
    151,518.56x = 17,465,894,881.41
  5. Step 5: Solve for x
    x = 17,465,894,881.41/151,518.56
  6. Step 6: Final answer
    x = 115,272.31

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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.