Home / 229,984.32-317,384.53-126,621.66

Finding the Fourth Proportional to 229,984.32, 317,384.53 and 126,621.66

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Solution

The fourth proportional to 229,984.32, 317,384.53 and 126,621.66 is: 174,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,984.32 : 317,384.53 = 126,621.66 : x
  2. Step 2: Convert to fraction form
    229,984.32/317,384.53 = 126,621.66/x
  3. Step 3: Cross multiply
    229,984.32x = 317,384.53 × 126,621.66
  4. Step 4: Simplify right side
    229,984.32x = 40,187,756,651.71
  5. Step 5: Solve for x
    x = 40,187,756,651.71/229,984.32
  6. Step 6: Final answer
    x = 174,741.29

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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.