Home / 153,770.26-230,577.63-78,874.42

Finding the Fourth Proportional to 153,770.26, 230,577.63 and 78,874.42

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Solution

The fourth proportional to 153,770.26, 230,577.63 and 78,874.42 is: 118,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,770.26 : 230,577.63 = 78,874.42 : x
  2. Step 2: Convert to fraction form
    153,770.26/230,577.63 = 78,874.42/x
  3. Step 3: Cross multiply
    153,770.26x = 230,577.63 × 78,874.42
  4. Step 4: Simplify right side
    153,770.26x = 18,186,676,831.22
  5. Step 5: Solve for x
    x = 18,186,676,831.22/153,770.26
  6. Step 6: Final answer
    x = 118,271.74

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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.