Home / 107,325.36-160,925.64-71,827.20

Finding the Fourth Proportional to 107,325.36, 160,925.64 and 71,827.20

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Solution

The fourth proportional to 107,325.36, 160,925.64 and 71,827.20 is: 107,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,325.36 : 160,925.64 = 71,827.20 : x
  2. Step 2: Convert to fraction form
    107,325.36/160,925.64 = 71,827.20/x
  3. Step 3: Cross multiply
    107,325.36x = 160,925.64 × 71,827.20
  4. Step 4: Simplify right side
    107,325.36x = 11,558,838,129.41
  5. Step 5: Solve for x
    x = 11,558,838,129.41/107,325.36
  6. Step 6: Final answer
    x = 107,699.04

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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.