Home / 112,220.91-168,393.33-45,707.86

Finding the Fourth Proportional to 112,220.91, 168,393.33 and 45,707.86

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Solution

The fourth proportional to 112,220.91, 168,393.33 and 45,707.86 is: 68,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,220.91 : 168,393.33 = 45,707.86 : x
  2. Step 2: Convert to fraction form
    112,220.91/168,393.33 = 45,707.86/x
  3. Step 3: Cross multiply
    112,220.91x = 168,393.33 × 45,707.86
  4. Step 4: Simplify right side
    112,220.91x = 7,696,898,963.07
  5. Step 5: Solve for x
    x = 7,696,898,963.07/112,220.91
  6. Step 6: Final answer
    x = 68,587.03

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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.