Home / 140,495.25-193,883.63-79,242.24

Finding the Fourth Proportional to 140,495.25, 193,883.63 and 79,242.24

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Solution

The fourth proportional to 140,495.25, 193,883.63 and 79,242.24 is: 109,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,495.25 : 193,883.63 = 79,242.24 : x
  2. Step 2: Convert to fraction form
    140,495.25/193,883.63 = 79,242.24/x
  3. Step 3: Cross multiply
    140,495.25x = 193,883.63 × 79,242.24
  4. Step 4: Simplify right side
    140,495.25x = 15,363,773,140.53
  5. Step 5: Solve for x
    x = 15,363,773,140.53/140,495.25
  6. Step 6: Final answer
    x = 109,354.40

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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.