Home / 188,501.16-260,133.46-102,460.52

Finding the Fourth Proportional to 188,501.16, 260,133.46 and 102,460.52

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Solution

The fourth proportional to 188,501.16, 260,133.46 and 102,460.52 is: 141,396.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,501.16 : 260,133.46 = 102,460.52 : x
  2. Step 2: Convert to fraction form
    188,501.16/260,133.46 = 102,460.52/x
  3. Step 3: Cross multiply
    188,501.16x = 260,133.46 × 102,460.52
  4. Step 4: Simplify right side
    188,501.16x = 26,653,409,581.00
  5. Step 5: Solve for x
    x = 26,653,409,581.00/188,501.16
  6. Step 6: Final answer
    x = 141,396.53

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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.