Home / 153,983.96-212,379.75-92,666.25

Finding the Fourth Proportional to 153,983.96, 212,379.75 and 92,666.25

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Solution

The fourth proportional to 153,983.96, 212,379.75 and 92,666.25 is: 127,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,983.96 : 212,379.75 = 92,666.25 : x
  2. Step 2: Convert to fraction form
    153,983.96/212,379.75 = 92,666.25/x
  3. Step 3: Cross multiply
    153,983.96x = 212,379.75 × 92,666.25
  4. Step 4: Simplify right side
    153,983.96x = 19,680,435,008.44
  5. Step 5: Solve for x
    x = 19,680,435,008.44/153,983.96
  6. Step 6: Final answer
    x = 127,808.35

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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.