Home / 145,052.15-200,161.95-80,516.35

Finding the Fourth Proportional to 145,052.15, 200,161.95 and 80,516.35

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Solution

The fourth proportional to 145,052.15, 200,161.95 and 80,516.35 is: 111,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,052.15 : 200,161.95 = 80,516.35 : x
  2. Step 2: Convert to fraction form
    145,052.15/200,161.95 = 80,516.35/x
  3. Step 3: Cross multiply
    145,052.15x = 200,161.95 × 80,516.35
  4. Step 4: Simplify right side
    145,052.15x = 16,116,308,622.07
  5. Step 5: Solve for x
    x = 16,116,308,622.07/145,052.15
  6. Step 6: Final answer
    x = 111,107.00

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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.