Home / 199,369.27-275,130.05-113,328.81

Finding the Fourth Proportional to 199,369.27, 275,130.05 and 113,328.81

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Solution

The fourth proportional to 199,369.27, 275,130.05 and 113,328.81 is: 156,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,369.27 : 275,130.05 = 113,328.81 : x
  2. Step 2: Convert to fraction form
    199,369.27/275,130.05 = 113,328.81/x
  3. Step 3: Cross multiply
    199,369.27x = 275,130.05 × 113,328.81
  4. Step 4: Simplify right side
    199,369.27x = 31,180,161,161.74
  5. Step 5: Solve for x
    x = 31,180,161,161.74/199,369.27
  6. Step 6: Final answer
    x = 156,394.02

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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.