Home / 373,376.81-515,298.89-230,133.17

Finding the Fourth Proportional to 373,376.81, 515,298.89 and 230,133.17

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Solution

The fourth proportional to 373,376.81, 515,298.89 and 230,133.17 is: 317,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,376.81 : 515,298.89 = 230,133.17 : x
  2. Step 2: Convert to fraction form
    373,376.81/515,298.89 = 230,133.17/x
  3. Step 3: Cross multiply
    373,376.81x = 515,298.89 × 230,133.17
  4. Step 4: Simplify right side
    373,376.81x = 118,587,367,053.18
  5. Step 5: Solve for x
    x = 118,587,367,053.18/373,376.81
  6. Step 6: Final answer
    x = 317,607.75

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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.