Home / 147,615.50-203,708.31-83,953.22

Finding the Fourth Proportional to 147,615.50, 203,708.31 and 83,953.22

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Solution

The fourth proportional to 147,615.50, 203,708.31 and 83,953.22 is: 115,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,615.50 : 203,708.31 = 83,953.22 : x
  2. Step 2: Convert to fraction form
    147,615.50/203,708.31 = 83,953.22/x
  3. Step 3: Cross multiply
    147,615.50x = 203,708.31 × 83,953.22
  4. Step 4: Simplify right side
    147,615.50x = 17,101,968,565.26
  5. Step 5: Solve for x
    x = 17,101,968,565.26/147,615.50
  6. Step 6: Final answer
    x = 115,854.83

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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.