Home / 434,449.20-651,641.40-181,664.40

Finding the Fourth Proportional to 434,449.20, 651,641.40 and 181,664.40

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Solution

The fourth proportional to 434,449.20, 651,641.40 and 181,664.40 is: 272,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,449.20 : 651,641.40 = 181,664.40 : x
  2. Step 2: Convert to fraction form
    434,449.20/651,641.40 = 181,664.40/x
  3. Step 3: Cross multiply
    434,449.20x = 651,641.40 × 181,664.40
  4. Step 4: Simplify right side
    434,449.20x = 118,380,043,946.16
  5. Step 5: Solve for x
    x = 118,380,043,946.16/434,449.20
  6. Step 6: Final answer
    x = 272,483.05

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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.