Home / 393,041.44-589,686.77-140,316.35

Finding the Fourth Proportional to 393,041.44, 589,686.77 and 140,316.35

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Solution

The fourth proportional to 393,041.44, 589,686.77 and 140,316.35 is: 210,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,041.44 : 589,686.77 = 140,316.35 : x
  2. Step 2: Convert to fraction form
    393,041.44/589,686.77 = 140,316.35/x
  3. Step 3: Cross multiply
    393,041.44x = 589,686.77 × 140,316.35
  4. Step 4: Simplify right side
    393,041.44x = 82,742,692,612.05
  5. Step 5: Solve for x
    x = 82,742,692,612.05/393,041.44
  6. Step 6: Final answer
    x = 210,519.00

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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.