Home / 151,207.02-208,665.45-93,825

Finding the Fourth Proportional to 151,207.02, 208,665.45 and 93,825

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Solution

The fourth proportional to 151,207.02, 208,665.45 and 93,825 is: 129,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,207.02 : 208,665.45 = 93,825 : x
  2. Step 2: Convert to fraction form
    151,207.02/208,665.45 = 93,825/x
  3. Step 3: Cross multiply
    151,207.02x = 208,665.45 × 93,825
  4. Step 4: Simplify right side
    151,207.02x = 19,578,035,846.25
  5. Step 5: Solve for x
    x = 19,578,035,846.25/151,207.02
  6. Step 6: Final answer
    x = 129,478.35

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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.