Home / 119,718.21-165,242.97-70,702.77

Finding the Fourth Proportional to 119,718.21, 165,242.97 and 70,702.77

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Solution

The fourth proportional to 119,718.21, 165,242.97 and 70,702.77 is: 97,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,718.21 : 165,242.97 = 70,702.77 : x
  2. Step 2: Convert to fraction form
    119,718.21/165,242.97 = 70,702.77/x
  3. Step 3: Cross multiply
    119,718.21x = 165,242.97 × 70,702.77
  4. Step 4: Simplify right side
    119,718.21x = 11,683,135,702.03
  5. Step 5: Solve for x
    x = 11,683,135,702.03/119,718.21
  6. Step 6: Final answer
    x = 97,588.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.