Home / 178,756.64-268,130.85-89,986.31

Finding the Fourth Proportional to 178,756.64, 268,130.85 and 89,986.31

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Solution

The fourth proportional to 178,756.64, 268,130.85 and 89,986.31 is: 134,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,756.64 : 268,130.85 = 89,986.31 : x
  2. Step 2: Convert to fraction form
    178,756.64/268,130.85 = 89,986.31/x
  3. Step 3: Cross multiply
    178,756.64x = 268,130.85 × 89,986.31
  4. Step 4: Simplify right side
    178,756.64x = 24,128,104,448.01
  5. Step 5: Solve for x
    x = 24,128,104,448.01/178,756.64
  6. Step 6: Final answer
    x = 134,977.39

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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.