Home / 354,746.49-531,803.27-130,054.47

Finding the Fourth Proportional to 354,746.49, 531,803.27 and 130,054.47

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Solution

The fourth proportional to 354,746.49, 531,803.27 and 130,054.47 is: 194,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,746.49 : 531,803.27 = 130,054.47 : x
  2. Step 2: Convert to fraction form
    354,746.49/531,803.27 = 130,054.47/x
  3. Step 3: Cross multiply
    354,746.49x = 531,803.27 × 130,054.47
  4. Step 4: Simplify right side
    354,746.49x = 69,163,392,250.69
  5. Step 5: Solve for x
    x = 69,163,392,250.69/354,746.49
  6. Step 6: Final answer
    x = 194,965.68

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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.