Home / 187,557.08-258,831.84-105,889.64

Finding the Fourth Proportional to 187,557.08, 258,831.84 and 105,889.64

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Solution

The fourth proportional to 187,557.08, 258,831.84 and 105,889.64 is: 146,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,557.08 : 258,831.84 = 105,889.64 : x
  2. Step 2: Convert to fraction form
    187,557.08/258,831.84 = 105,889.64/x
  3. Step 3: Cross multiply
    187,557.08x = 258,831.84 × 105,889.64
  4. Step 4: Simplify right side
    187,557.08x = 27,407,610,358.14
  5. Step 5: Solve for x
    x = 27,407,610,358.14/187,557.08
  6. Step 6: Final answer
    x = 146,129.44

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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.