Home / 182,097.80-251,205.65-121,683.28

Finding the Fourth Proportional to 182,097.80, 251,205.65 and 121,683.28

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Solution

The fourth proportional to 182,097.80, 251,205.65 and 121,683.28 is: 167,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,097.80 : 251,205.65 = 121,683.28 : x
  2. Step 2: Convert to fraction form
    182,097.80/251,205.65 = 121,683.28/x
  3. Step 3: Cross multiply
    182,097.80x = 251,205.65 × 121,683.28
  4. Step 4: Simplify right side
    182,097.80x = 30,567,526,666.41
  5. Step 5: Solve for x
    x = 30,567,526,666.41/182,097.80
  6. Step 6: Final answer
    x = 167,863.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.