Home / 112,831.32-169,247-57,466.20

Finding the Fourth Proportional to 112,831.32, 169,247 and 57,466.20

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Solution

The fourth proportional to 112,831.32, 169,247 and 57,466.20 is: 86,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,831.32 : 169,247 = 57,466.20 : x
  2. Step 2: Convert to fraction form
    112,831.32/169,247 = 57,466.20/x
  3. Step 3: Cross multiply
    112,831.32x = 169,247 × 57,466.20
  4. Step 4: Simplify right side
    112,831.32x = 9,725,981,951.40
  5. Step 5: Solve for x
    x = 9,725,981,951.40/112,831.32
  6. Step 6: Final answer
    x = 86,199.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.