Home / 157,421.13-236,062.04-45,075.75

Finding the Fourth Proportional to 157,421.13, 236,062.04 and 45,075.75

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Solution

The fourth proportional to 157,421.13, 236,062.04 and 45,075.75 is: 67,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,421.13 : 236,062.04 = 45,075.75 : x
  2. Step 2: Convert to fraction form
    157,421.13/236,062.04 = 45,075.75/x
  3. Step 3: Cross multiply
    157,421.13x = 236,062.04 × 45,075.75
  4. Step 4: Simplify right side
    157,421.13x = 10,640,673,274.15
  5. Step 5: Solve for x
    x = 10,640,673,274.15/157,421.13
  6. Step 6: Final answer
    x = 67,593.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.