Home / 188,623.18-260,295.69-103,741.66

Finding the Fourth Proportional to 188,623.18, 260,295.69 and 103,741.66

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Solution

The fourth proportional to 188,623.18, 260,295.69 and 103,741.66 is: 143,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,623.18 : 260,295.69 = 103,741.66 : x
  2. Step 2: Convert to fraction form
    188,623.18/260,295.69 = 103,741.66/x
  3. Step 3: Cross multiply
    188,623.18x = 260,295.69 × 103,741.66
  4. Step 4: Simplify right side
    188,623.18x = 27,003,506,971.45
  5. Step 5: Solve for x
    x = 27,003,506,971.45/188,623.18
  6. Step 6: Final answer
    x = 143,161.13

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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.