Home / 205,182.06-307,206.28-105,126.81

Finding the Fourth Proportional to 205,182.06, 307,206.28 and 105,126.81

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Solution

The fourth proportional to 205,182.06, 307,206.28 and 105,126.81 is: 157,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,182.06 : 307,206.28 = 105,126.81 : x
  2. Step 2: Convert to fraction form
    205,182.06/307,206.28 = 105,126.81/x
  3. Step 3: Cross multiply
    205,182.06x = 307,206.28 × 105,126.81
  4. Step 4: Simplify right side
    205,182.06x = 32,295,616,228.37
  5. Step 5: Solve for x
    x = 32,295,616,228.37/205,182.06
  6. Step 6: Final answer
    x = 157,399.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.