Home / 456,007.15-684,084.24-140,463.76

Finding the Fourth Proportional to 456,007.15, 684,084.24 and 140,463.76

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Solution

The fourth proportional to 456,007.15, 684,084.24 and 140,463.76 is: 210,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,007.15 : 684,084.24 = 140,463.76 : x
  2. Step 2: Convert to fraction form
    456,007.15/684,084.24 = 140,463.76/x
  3. Step 3: Cross multiply
    456,007.15x = 684,084.24 × 140,463.76
  4. Step 4: Simplify right side
    456,007.15x = 96,089,044,507.14
  5. Step 5: Solve for x
    x = 96,089,044,507.14/456,007.15
  6. Step 6: Final answer
    x = 210,718.28

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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.