Home / 120,903.61-181,495.53-64,853.19

Finding the Fourth Proportional to 120,903.61, 181,495.53 and 64,853.19

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Solution

The fourth proportional to 120,903.61, 181,495.53 and 64,853.19 is: 97,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,903.61 : 181,495.53 = 64,853.19 : x
  2. Step 2: Convert to fraction form
    120,903.61/181,495.53 = 64,853.19/x
  3. Step 3: Cross multiply
    120,903.61x = 181,495.53 × 64,853.19
  4. Step 4: Simplify right side
    120,903.61x = 11,770,564,091.24
  5. Step 5: Solve for x
    x = 11,770,564,091.24/120,903.61
  6. Step 6: Final answer
    x = 97,354.94

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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.