Home / 118,967.15-164,088.60-101,033.75

Finding the Fourth Proportional to 118,967.15, 164,088.60 and 101,033.75

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Solution

The fourth proportional to 118,967.15, 164,088.60 and 101,033.75 is: 139,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,967.15 : 164,088.60 = 101,033.75 : x
  2. Step 2: Convert to fraction form
    118,967.15/164,088.60 = 101,033.75/x
  3. Step 3: Cross multiply
    118,967.15x = 164,088.60 × 101,033.75
  4. Step 4: Simplify right side
    118,967.15x = 16,578,486,590.25
  5. Step 5: Solve for x
    x = 16,578,486,590.25/118,967.15
  6. Step 6: Final answer
    x = 139,353.48

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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.