Home / 178,756.74-268,134.84-45,637.02

Finding the Fourth Proportional to 178,756.74, 268,134.84 and 45,637.02

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Solution

The fourth proportional to 178,756.74, 268,134.84 and 45,637.02 is: 68,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,756.74 : 268,134.84 = 45,637.02 : x
  2. Step 2: Convert to fraction form
    178,756.74/268,134.84 = 45,637.02/x
  3. Step 3: Cross multiply
    178,756.74x = 268,134.84 × 45,637.02
  4. Step 4: Simplify right side
    178,756.74x = 12,236,875,055.78
  5. Step 5: Solve for x
    x = 12,236,875,055.78/178,756.74
  6. Step 6: Final answer
    x = 68,455.46

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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.