Home / 122,117.81-168,521.58-68,403.33

Finding the Fourth Proportional to 122,117.81, 168,521.58 and 68,403.33

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Solution

The fourth proportional to 122,117.81, 168,521.58 and 68,403.33 is: 94,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,117.81 : 168,521.58 = 68,403.33 : x
  2. Step 2: Convert to fraction form
    122,117.81/168,521.58 = 68,403.33/x
  3. Step 3: Cross multiply
    122,117.81x = 168,521.58 × 68,403.33
  4. Step 4: Simplify right side
    122,117.81x = 11,527,437,248.86
  5. Step 5: Solve for x
    x = 11,527,437,248.86/122,117.81
  6. Step 6: Final answer
    x = 94,396.04

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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.