Home / 147,800.04-203,980.32-84,127.56

Finding the Fourth Proportional to 147,800.04, 203,980.32 and 84,127.56

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Solution

The fourth proportional to 147,800.04, 203,980.32 and 84,127.56 is: 116,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,800.04 : 203,980.32 = 84,127.56 : x
  2. Step 2: Convert to fraction form
    147,800.04/203,980.32 = 84,127.56/x
  3. Step 3: Cross multiply
    147,800.04x = 203,980.32 × 84,127.56
  4. Step 4: Simplify right side
    147,800.04x = 17,160,366,609.62
  5. Step 5: Solve for x
    x = 17,160,366,609.62/147,800.04
  6. Step 6: Final answer
    x = 116,105.29

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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.