Home / 207,278.35-310,419.27-118,261.98

Finding the Fourth Proportional to 207,278.35, 310,419.27 and 118,261.98

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Solution

The fourth proportional to 207,278.35, 310,419.27 and 118,261.98 is: 177,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,278.35 : 310,419.27 = 118,261.98 : x
  2. Step 2: Convert to fraction form
    207,278.35/310,419.27 = 118,261.98/x
  3. Step 3: Cross multiply
    207,278.35x = 310,419.27 × 118,261.98
  4. Step 4: Simplify right side
    207,278.35x = 36,710,795,948.26
  5. Step 5: Solve for x
    x = 36,710,795,948.26/207,278.35
  6. Step 6: Final answer
    x = 177,108.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.