Home / 161,941.88-242,986.64-83,111.47

Finding the Fourth Proportional to 161,941.88, 242,986.64 and 83,111.47

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Solution

The fourth proportional to 161,941.88, 242,986.64 and 83,111.47 is: 124,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,941.88 : 242,986.64 = 83,111.47 : x
  2. Step 2: Convert to fraction form
    161,941.88/242,986.64 = 83,111.47/x
  3. Step 3: Cross multiply
    161,941.88x = 242,986.64 × 83,111.47
  4. Step 4: Simplify right side
    161,941.88x = 20,194,975,817.74
  5. Step 5: Solve for x
    x = 20,194,975,817.74/161,941.88
  6. Step 6: Final answer
    x = 124,705.08

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1.5x scale

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.