Home / 151,589.48-209,075.38-97,887.69

Finding the Fourth Proportional to 151,589.48, 209,075.38 and 97,887.69

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Solution

The fourth proportional to 151,589.48, 209,075.38 and 97,887.69 is: 135,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,589.48 : 209,075.38 = 97,887.69 : x
  2. Step 2: Convert to fraction form
    151,589.48/209,075.38 = 97,887.69/x
  3. Step 3: Cross multiply
    151,589.48x = 209,075.38 × 97,887.69
  4. Step 4: Simplify right side
    151,589.48x = 20,465,905,739.35
  5. Step 5: Solve for x
    x = 20,465,905,739.35/151,589.48
  6. Step 6: Final answer
    x = 135,008.75

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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.