Home / 147,888.06-204,087.03-80,820.06

Finding the Fourth Proportional to 147,888.06, 204,087.03 and 80,820.06

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Solution

The fourth proportional to 147,888.06, 204,087.03 and 80,820.06 is: 111,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,888.06 : 204,087.03 = 80,820.06 : x
  2. Step 2: Convert to fraction form
    147,888.06/204,087.03 = 80,820.06/x
  3. Step 3: Cross multiply
    147,888.06x = 204,087.03 × 80,820.06
  4. Step 4: Simplify right side
    147,888.06x = 16,494,326,009.82
  5. Step 5: Solve for x
    x = 16,494,326,009.82/147,888.06
  6. Step 6: Final answer
    x = 111,532.51

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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.