Home / 334,429.69-501,643.15-121,147.66

Finding the Fourth Proportional to 334,429.69, 501,643.15 and 121,147.66

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Solution

The fourth proportional to 334,429.69, 501,643.15 and 121,147.66 is: 181,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,429.69 : 501,643.15 = 121,147.66 : x
  2. Step 2: Convert to fraction form
    334,429.69/501,643.15 = 121,147.66/x
  3. Step 3: Cross multiply
    334,429.69x = 501,643.15 × 121,147.66
  4. Step 4: Simplify right side
    334,429.69x = 60,772,891,269.31
  5. Step 5: Solve for x
    x = 60,772,891,269.31/334,429.69
  6. Step 6: Final answer
    x = 181,720.98

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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.