Home / 456,023.87-684,064-152,445.34

Finding the Fourth Proportional to 456,023.87, 684,064 and 152,445.34

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Solution

The fourth proportional to 456,023.87, 684,064 and 152,445.34 is: 228,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,023.87 : 684,064 = 152,445.34 : x
  2. Step 2: Convert to fraction form
    456,023.87/684,064 = 152,445.34/x
  3. Step 3: Cross multiply
    456,023.87x = 684,064 × 152,445.34
  4. Step 4: Simplify right side
    456,023.87x = 104,282,365,641.44
  5. Step 5: Solve for x
    x = 104,282,365,641.44/456,023.87
  6. Step 6: Final answer
    x = 228,677.43

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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.