Home / 145,068.57-200,191.30-80,533.95

Finding the Fourth Proportional to 145,068.57, 200,191.30 and 80,533.95

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Solution

The fourth proportional to 145,068.57, 200,191.30 and 80,533.95 is: 111,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,068.57 : 200,191.30 = 80,533.95 : x
  2. Step 2: Convert to fraction form
    145,068.57/200,191.30 = 80,533.95/x
  3. Step 3: Cross multiply
    145,068.57x = 200,191.30 × 80,533.95
  4. Step 4: Simplify right side
    145,068.57x = 16,122,195,192.58
  5. Step 5: Solve for x
    x = 16,122,195,192.58/145,068.57
  6. Step 6: Final answer
    x = 111,135.00

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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.