Home / 126,845.53-190,337.95-73,602.61

Finding the Fourth Proportional to 126,845.53, 190,337.95 and 73,602.61

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Solution

The fourth proportional to 126,845.53, 190,337.95 and 73,602.61 is: 110,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,845.53 : 190,337.95 = 73,602.61 : x
  2. Step 2: Convert to fraction form
    126,845.53/190,337.95 = 73,602.61/x
  3. Step 3: Cross multiply
    126,845.53x = 190,337.95 × 73,602.61
  4. Step 4: Simplify right side
    126,845.53x = 14,009,369,518.21
  5. Step 5: Solve for x
    x = 14,009,369,518.21/126,845.53
  6. Step 6: Final answer
    x = 110,444.33

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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.