Home / 188,555.23-260,199.57-103,671.64

Finding the Fourth Proportional to 188,555.23, 260,199.57 and 103,671.64

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Solution

The fourth proportional to 188,555.23, 260,199.57 and 103,671.64 is: 143,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,555.23 : 260,199.57 = 103,671.64 : x
  2. Step 2: Convert to fraction form
    188,555.23/260,199.57 = 103,671.64/x
  3. Step 3: Cross multiply
    188,555.23x = 260,199.57 × 103,671.64
  4. Step 4: Simplify right side
    188,555.23x = 26,975,316,149.19
  5. Step 5: Solve for x
    x = 26,975,316,149.19/188,555.23
  6. Step 6: Final answer
    x = 143,063.21

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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.