Home / 147,568.48-203,645.04-83,927.20

Finding the Fourth Proportional to 147,568.48, 203,645.04 and 83,927.20

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Solution

The fourth proportional to 147,568.48, 203,645.04 and 83,927.20 is: 115,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,568.48 : 203,645.04 = 83,927.20 : x
  2. Step 2: Convert to fraction form
    147,568.48/203,645.04 = 83,927.20/x
  3. Step 3: Cross multiply
    147,568.48x = 203,645.04 × 83,927.20
  4. Step 4: Simplify right side
    147,568.48x = 17,091,358,001.09
  5. Step 5: Solve for x
    x = 17,091,358,001.09/147,568.48
  6. Step 6: Final answer
    x = 115,819.84

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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.