Home / 114,985.31-172,506.66-40,106.53

Finding the Fourth Proportional to 114,985.31, 172,506.66 and 40,106.53

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Solution

The fourth proportional to 114,985.31, 172,506.66 and 40,106.53 is: 60,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,985.31 : 172,506.66 = 40,106.53 : x
  2. Step 2: Convert to fraction form
    114,985.31/172,506.66 = 40,106.53/x
  3. Step 3: Cross multiply
    114,985.31x = 172,506.66 × 40,106.53
  4. Step 4: Simplify right side
    114,985.31x = 6,918,643,534.49
  5. Step 5: Solve for x
    x = 6,918,643,534.49/114,985.31
  6. Step 6: Final answer
    x = 60,169.80

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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.