Home / 188,544.77-260,192.76-103,667.30

Finding the Fourth Proportional to 188,544.77, 260,192.76 and 103,667.30

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Solution

The fourth proportional to 188,544.77, 260,192.76 and 103,667.30 is: 143,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,544.77 : 260,192.76 = 103,667.30 : x
  2. Step 2: Convert to fraction form
    188,544.77/260,192.76 = 103,667.30/x
  3. Step 3: Cross multiply
    188,544.77x = 260,192.76 × 103,667.30
  4. Step 4: Simplify right side
    188,544.77x = 26,973,480,908.75
  5. Step 5: Solve for x
    x = 26,973,480,908.75/188,544.77
  6. Step 6: Final answer
    x = 143,061.41

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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.