Home / 456,442.92-684,726.66-190,141.15

Finding the Fourth Proportional to 456,442.92, 684,726.66 and 190,141.15

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Solution

The fourth proportional to 456,442.92, 684,726.66 and 190,141.15 is: 285,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,442.92 : 684,726.66 = 190,141.15 : x
  2. Step 2: Convert to fraction form
    456,442.92/684,726.66 = 190,141.15/x
  3. Step 3: Cross multiply
    456,442.92x = 684,726.66 × 190,141.15
  4. Step 4: Simplify right side
    456,442.92x = 130,194,714,568.06
  5. Step 5: Solve for x
    x = 130,194,714,568.06/456,442.92
  6. Step 6: Final answer
    x = 285,237.67

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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.