Home / 153,162.24-211,382.88-86,094.24

Finding the Fourth Proportional to 153,162.24, 211,382.88 and 86,094.24

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Solution

The fourth proportional to 153,162.24, 211,382.88 and 86,094.24 is: 118,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,162.24 : 211,382.88 = 86,094.24 : x
  2. Step 2: Convert to fraction form
    153,162.24/211,382.88 = 86,094.24/x
  3. Step 3: Cross multiply
    153,162.24x = 211,382.88 × 86,094.24
  4. Step 4: Simplify right side
    153,162.24x = 18,198,848,402.61
  5. Step 5: Solve for x
    x = 18,198,848,402.61/153,162.24
  6. Step 6: Final answer
    x = 118,820.73

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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.