Home / 121,304.84-181,968.20-46,421.96

Finding the Fourth Proportional to 121,304.84, 181,968.20 and 46,421.96

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Solution

The fourth proportional to 121,304.84, 181,968.20 and 46,421.96 is: 69,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,304.84 : 181,968.20 = 46,421.96 : x
  2. Step 2: Convert to fraction form
    121,304.84/181,968.20 = 46,421.96/x
  3. Step 3: Cross multiply
    121,304.84x = 181,968.20 × 46,421.96
  4. Step 4: Simplify right side
    121,304.84x = 8,447,320,501.67
  5. Step 5: Solve for x
    x = 8,447,320,501.67/121,304.84
  6. Step 6: Final answer
    x = 69,637.13

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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.