Home / 121,742.65-182,619.45-46,836.15

Finding the Fourth Proportional to 121,742.65, 182,619.45 and 46,836.15

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Solution

The fourth proportional to 121,742.65, 182,619.45 and 46,836.15 is: 70,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,742.65 : 182,619.45 = 46,836.15 : x
  2. Step 2: Convert to fraction form
    121,742.65/182,619.45 = 46,836.15/x
  3. Step 3: Cross multiply
    121,742.65x = 182,619.45 × 46,836.15
  4. Step 4: Simplify right side
    121,742.65x = 8,553,190,805.84
  5. Step 5: Solve for x
    x = 8,553,190,805.84/121,742.65
  6. Step 6: Final answer
    x = 70,256.32

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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.