Home / 188,569.09-260,226.40-102,528.91

Finding the Fourth Proportional to 188,569.09, 260,226.40 and 102,528.91

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Solution

The fourth proportional to 188,569.09, 260,226.40 and 102,528.91 is: 141,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,569.09 : 260,226.40 = 102,528.91 : x
  2. Step 2: Convert to fraction form
    188,569.09/260,226.40 = 102,528.91/x
  3. Step 3: Cross multiply
    188,569.09x = 260,226.40 × 102,528.91
  4. Step 4: Simplify right side
    188,569.09x = 26,680,729,849.95
  5. Step 5: Solve for x
    x = 26,680,729,849.95/188,569.09
  6. Step 6: Final answer
    x = 141,490.47

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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.