Home / 145,194.58-200,363.34-81,535.06

Finding the Fourth Proportional to 145,194.58, 200,363.34 and 81,535.06

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Solution

The fourth proportional to 145,194.58, 200,363.34 and 81,535.06 is: 112,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,194.58 : 200,363.34 = 81,535.06 : x
  2. Step 2: Convert to fraction form
    145,194.58/200,363.34 = 81,535.06/x
  3. Step 3: Cross multiply
    145,194.58x = 200,363.34 × 81,535.06
  4. Step 4: Simplify right side
    145,194.58x = 16,336,636,948.70
  5. Step 5: Solve for x
    x = 16,336,636,948.70/145,194.58
  6. Step 6: Final answer
    x = 112,515.47

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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.