Home / 153,199.74-211,421.66-92,736.18

Finding the Fourth Proportional to 153,199.74, 211,421.66 and 92,736.18

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Solution

The fourth proportional to 153,199.74, 211,421.66 and 92,736.18 is: 127,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,199.74 : 211,421.66 = 92,736.18 : x
  2. Step 2: Convert to fraction form
    153,199.74/211,421.66 = 92,736.18/x
  3. Step 3: Cross multiply
    153,199.74x = 211,421.66 × 92,736.18
  4. Step 4: Simplify right side
    153,199.74x = 19,606,437,175.62
  5. Step 5: Solve for x
    x = 19,606,437,175.62/153,199.74
  6. Step 6: Final answer
    x = 127,979.57

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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.