Home / 157,844.34-217,831.04-86,224.85

Finding the Fourth Proportional to 157,844.34, 217,831.04 and 86,224.85

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Solution

The fourth proportional to 157,844.34, 217,831.04 and 86,224.85 is: 118,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,844.34 : 217,831.04 = 86,224.85 : x
  2. Step 2: Convert to fraction form
    157,844.34/217,831.04 = 86,224.85/x
  3. Step 3: Cross multiply
    157,844.34x = 217,831.04 × 86,224.85
  4. Step 4: Simplify right side
    157,844.34x = 18,782,447,875.75
  5. Step 5: Solve for x
    x = 18,782,447,875.75/157,844.34
  6. Step 6: Final answer
    x = 118,993.48

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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.