Home / 188,869.53-260,655.80-104,002.59

Finding the Fourth Proportional to 188,869.53, 260,655.80 and 104,002.59

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Solution

The fourth proportional to 188,869.53, 260,655.80 and 104,002.59 is: 143,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,869.53 : 260,655.80 = 104,002.59 : x
  2. Step 2: Convert to fraction form
    188,869.53/260,655.80 = 104,002.59/x
  3. Step 3: Cross multiply
    188,869.53x = 260,655.80 × 104,002.59
  4. Step 4: Simplify right side
    188,869.53x = 27,108,877,778.51
  5. Step 5: Solve for x
    x = 27,108,877,778.51/188,869.53
  6. Step 6: Final answer
    x = 143,532.30

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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.