Home / 242,098.40-334,136.58-140,126.60

Finding the Fourth Proportional to 242,098.40, 334,136.58 and 140,126.60

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Solution

The fourth proportional to 242,098.40, 334,136.58 and 140,126.60 is: 193,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,098.40 : 334,136.58 = 140,126.60 : x
  2. Step 2: Convert to fraction form
    242,098.40/334,136.58 = 140,126.60/x
  3. Step 3: Cross multiply
    242,098.40x = 334,136.58 × 140,126.60
  4. Step 4: Simplify right side
    242,098.40x = 46,821,422,891.03
  5. Step 5: Solve for x
    x = 46,821,422,891.03/242,098.40
  6. Step 6: Final answer
    x = 193,398.32

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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.