Home / 147,187.04-203,064.96-83,487.93

Finding the Fourth Proportional to 147,187.04, 203,064.96 and 83,487.93

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Solution

The fourth proportional to 147,187.04, 203,064.96 and 83,487.93 is: 115,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,187.04 : 203,064.96 = 83,487.93 : x
  2. Step 2: Convert to fraction form
    147,187.04/203,064.96 = 83,487.93/x
  3. Step 3: Cross multiply
    147,187.04x = 203,064.96 × 83,487.93
  4. Step 4: Simplify right side
    147,187.04x = 16,953,473,165.93
  5. Step 5: Solve for x
    x = 16,953,473,165.93/147,187.04
  6. Step 6: Final answer
    x = 115,183.19

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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.