Home / 142,597.86-214,284.51-76,084.98

Finding the Fourth Proportional to 142,597.86, 214,284.51 and 76,084.98

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Solution

The fourth proportional to 142,597.86, 214,284.51 and 76,084.98 is: 114,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,597.86 : 214,284.51 = 76,084.98 : x
  2. Step 2: Convert to fraction form
    142,597.86/214,284.51 = 76,084.98/x
  3. Step 3: Cross multiply
    142,597.86x = 214,284.51 × 76,084.98
  4. Step 4: Simplify right side
    142,597.86x = 16,303,832,657.66
  5. Step 5: Solve for x
    x = 16,303,832,657.66/142,597.86
  6. Step 6: Final answer
    x = 114,334.34

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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.