Home / 140,153.09-193,381.70-89,147.25

Finding the Fourth Proportional to 140,153.09, 193,381.70 and 89,147.25

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Solution

The fourth proportional to 140,153.09, 193,381.70 and 89,147.25 is: 123,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,153.09 : 193,381.70 = 89,147.25 : x
  2. Step 2: Convert to fraction form
    140,153.09/193,381.70 = 89,147.25/x
  3. Step 3: Cross multiply
    140,153.09x = 193,381.70 × 89,147.25
  4. Step 4: Simplify right side
    140,153.09x = 17,239,446,309.59
  5. Step 5: Solve for x
    x = 17,239,446,309.59/140,153.09
  6. Step 6: Final answer
    x = 123,004.40

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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.