Home / 122,119.24-168,440.41-85,897.51

Finding the Fourth Proportional to 122,119.24, 168,440.41 and 85,897.51

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Solution

The fourth proportional to 122,119.24, 168,440.41 and 85,897.51 is: 118,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,119.24 : 168,440.41 = 85,897.51 : x
  2. Step 2: Convert to fraction form
    122,119.24/168,440.41 = 85,897.51/x
  3. Step 3: Cross multiply
    122,119.24x = 168,440.41 × 85,897.51
  4. Step 4: Simplify right side
    122,119.24x = 14,468,611,802.38
  5. Step 5: Solve for x
    x = 14,468,611,802.38/122,119.24
  6. Step 6: Final answer
    x = 118,479.38

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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.