Home / 188,609.58-260,276.02-103,726.71

Finding the Fourth Proportional to 188,609.58, 260,276.02 and 103,726.71

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Solution

The fourth proportional to 188,609.58, 260,276.02 and 103,726.71 is: 143,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,609.58 : 260,276.02 = 103,726.71 : x
  2. Step 2: Convert to fraction form
    188,609.58/260,276.02 = 103,726.71/x
  3. Step 3: Cross multiply
    188,609.58x = 260,276.02 × 103,726.71
  4. Step 4: Simplify right side
    188,609.58x = 26,997,574,987.18
  5. Step 5: Solve for x
    x = 26,997,574,987.18/188,609.58
  6. Step 6: Final answer
    x = 143,140.00

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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.