Home / 186,238.83-257,001.62-101,355.69

Finding the Fourth Proportional to 186,238.83, 257,001.62 and 101,355.69

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Solution

The fourth proportional to 186,238.83, 257,001.62 and 101,355.69 is: 139,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,238.83 : 257,001.62 = 101,355.69 : x
  2. Step 2: Convert to fraction form
    186,238.83/257,001.62 = 101,355.69/x
  3. Step 3: Cross multiply
    186,238.83x = 257,001.62 × 101,355.69
  4. Step 4: Simplify right side
    186,238.83x = 26,048,576,019.44
  5. Step 5: Solve for x
    x = 26,048,576,019.44/186,238.83
  6. Step 6: Final answer
    x = 139,866.51

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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.