Home / 153,358.03-211,643.75-92,933.96

Finding the Fourth Proportional to 153,358.03, 211,643.75 and 92,933.96

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Solution

The fourth proportional to 153,358.03, 211,643.75 and 92,933.96 is: 128,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,358.03 : 211,643.75 = 92,933.96 : x
  2. Step 2: Convert to fraction form
    153,358.03/211,643.75 = 92,933.96/x
  3. Step 3: Cross multiply
    153,358.03x = 211,643.75 × 92,933.96
  4. Step 4: Simplify right side
    153,358.03x = 19,668,891,796.75
  5. Step 5: Solve for x
    x = 19,668,891,796.75/153,358.03
  6. Step 6: Final answer
    x = 128,254.72

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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.