Home / 430,178.87-593,643.15-239,190.59

Finding the Fourth Proportional to 430,178.87, 593,643.15 and 239,190.59

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Solution

The fourth proportional to 430,178.87, 593,643.15 and 239,190.59 is: 330,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,178.87 : 593,643.15 = 239,190.59 : x
  2. Step 2: Convert to fraction form
    430,178.87/593,643.15 = 239,190.59/x
  3. Step 3: Cross multiply
    430,178.87x = 593,643.15 × 239,190.59
  4. Step 4: Simplify right side
    430,178.87x = 141,993,852,329.74
  5. Step 5: Solve for x
    x = 141,993,852,329.74/430,178.87
  6. Step 6: Final answer
    x = 330,080.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.