Home / 121,304.12-181,967.12-46,421.24

Finding the Fourth Proportional to 121,304.12, 181,967.12 and 46,421.24

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Solution

The fourth proportional to 121,304.12, 181,967.12 and 46,421.24 is: 69,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,304.12 : 181,967.12 = 46,421.24 : x
  2. Step 2: Convert to fraction form
    121,304.12/181,967.12 = 46,421.24/x
  3. Step 3: Cross multiply
    121,304.12x = 181,967.12 × 46,421.24
  4. Step 4: Simplify right side
    121,304.12x = 8,447,139,920.60
  5. Step 5: Solve for x
    x = 8,447,139,920.60/121,304.12
  6. Step 6: Final answer
    x = 69,636.05

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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.