Home / 140,622.83-193,857.77-100,266.60

Finding the Fourth Proportional to 140,622.83, 193,857.77 and 100,266.60

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Solution

The fourth proportional to 140,622.83, 193,857.77 and 100,266.60 is: 138,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,622.83 : 193,857.77 = 100,266.60 : x
  2. Step 2: Convert to fraction form
    140,622.83/193,857.77 = 100,266.60/x
  3. Step 3: Cross multiply
    140,622.83x = 193,857.77 × 100,266.60
  4. Step 4: Simplify right side
    140,622.83x = 19,437,460,459.12
  5. Step 5: Solve for x
    x = 19,437,460,459.12/140,622.83
  6. Step 6: Final answer
    x = 138,224.08

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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.