Home / 156,904.42-236,210.35-142,954.06

Finding the Fourth Proportional to 156,904.42, 236,210.35 and 142,954.06

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Solution

The fourth proportional to 156,904.42, 236,210.35 and 142,954.06 is: 215,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,904.42 : 236,210.35 = 142,954.06 : x
  2. Step 2: Convert to fraction form
    156,904.42/236,210.35 = 142,954.06/x
  3. Step 3: Cross multiply
    156,904.42x = 236,210.35 × 142,954.06
  4. Step 4: Simplify right side
    156,904.42x = 33,767,228,546.52
  5. Step 5: Solve for x
    x = 33,767,228,546.52/156,904.42
  6. Step 6: Final answer
    x = 215,208.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.