Home / 149,237.27-205,937.03-84,707.83

Finding the Fourth Proportional to 149,237.27, 205,937.03 and 84,707.83

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Solution

The fourth proportional to 149,237.27, 205,937.03 and 84,707.83 is: 116,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,237.27 : 205,937.03 = 84,707.83 : x
  2. Step 2: Convert to fraction form
    149,237.27/205,937.03 = 84,707.83/x
  3. Step 3: Cross multiply
    149,237.27x = 205,937.03 × 84,707.83
  4. Step 4: Simplify right side
    149,237.27x = 17,444,478,927.94
  5. Step 5: Solve for x
    x = 17,444,478,927.94/149,237.27
  6. Step 6: Final answer
    x = 116,890.90

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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.