Home / 188,782.34-260,521.46-103,901.36

Finding the Fourth Proportional to 188,782.34, 260,521.46 and 103,901.36

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Solution

The fourth proportional to 188,782.34, 260,521.46 and 103,901.36 is: 143,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,782.34 : 260,521.46 = 103,901.36 : x
  2. Step 2: Convert to fraction form
    188,782.34/260,521.46 = 103,901.36/x
  3. Step 3: Cross multiply
    188,782.34x = 260,521.46 × 103,901.36
  4. Step 4: Simplify right side
    188,782.34x = 27,068,534,003.19
  5. Step 5: Solve for x
    x = 27,068,534,003.19/188,782.34
  6. Step 6: Final answer
    x = 143,384.88

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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.