Home / 456,442.04-684,725.34-190,140.27

Finding the Fourth Proportional to 456,442.04, 684,725.34 and 190,140.27

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Solution

The fourth proportional to 456,442.04, 684,725.34 and 190,140.27 is: 285,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,442.04 : 684,725.34 = 190,140.27 : x
  2. Step 2: Convert to fraction form
    456,442.04/684,725.34 = 190,140.27/x
  3. Step 3: Cross multiply
    456,442.04x = 684,725.34 × 190,140.27
  4. Step 4: Simplify right side
    456,442.04x = 130,193,861,736.47
  5. Step 5: Solve for x
    x = 130,193,861,736.47/456,442.04
  6. Step 6: Final answer
    x = 285,236.35

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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.