Home / 444,518.60-666,632.10-163,999.40

Finding the Fourth Proportional to 444,518.60, 666,632.10 and 163,999.40

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Solution

The fourth proportional to 444,518.60, 666,632.10 and 163,999.40 is: 245,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,518.60 : 666,632.10 = 163,999.40 : x
  2. Step 2: Convert to fraction form
    444,518.60/666,632.10 = 163,999.40/x
  3. Step 3: Cross multiply
    444,518.60x = 666,632.10 × 163,999.40
  4. Step 4: Simplify right side
    444,518.60x = 109,327,264,420.74
  5. Step 5: Solve for x
    x = 109,327,264,420.74/444,518.60
  6. Step 6: Final answer
    x = 245,945.31

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1.5x scale

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.