Home / 156,116.06-233,928.81-120,664.16

Finding the Fourth Proportional to 156,116.06, 233,928.81 and 120,664.16

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Solution

The fourth proportional to 156,116.06, 233,928.81 and 120,664.16 is: 180,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,116.06 : 233,928.81 = 120,664.16 : x
  2. Step 2: Convert to fraction form
    156,116.06/233,928.81 = 120,664.16/x
  3. Step 3: Cross multiply
    156,116.06x = 233,928.81 × 120,664.16
  4. Step 4: Simplify right side
    156,116.06x = 28,226,822,408.11
  5. Step 5: Solve for x
    x = 28,226,822,408.11/156,116.06
  6. Step 6: Final answer
    x = 180,806.66

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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.