Home / 118,980.23-164,197.33-65,267.51

Finding the Fourth Proportional to 118,980.23, 164,197.33 and 65,267.51

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Solution

The fourth proportional to 118,980.23, 164,197.33 and 65,267.51 is: 90,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,980.23 : 164,197.33 = 65,267.51 : x
  2. Step 2: Convert to fraction form
    118,980.23/164,197.33 = 65,267.51/x
  3. Step 3: Cross multiply
    118,980.23x = 164,197.33 × 65,267.51
  4. Step 4: Simplify right side
    118,980.23x = 10,716,750,877.75
  5. Step 5: Solve for x
    x = 10,716,750,877.75/118,980.23
  6. Step 6: Final answer
    x = 90,071.69

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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.