Home / 249,644.70-344,511.77-142,213.05

Finding the Fourth Proportional to 249,644.70, 344,511.77 and 142,213.05

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Solution

The fourth proportional to 249,644.70, 344,511.77 and 142,213.05 is: 196,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,644.70 : 344,511.77 = 142,213.05 : x
  2. Step 2: Convert to fraction form
    249,644.70/344,511.77 = 142,213.05/x
  3. Step 3: Cross multiply
    249,644.70x = 344,511.77 × 142,213.05
  4. Step 4: Simplify right side
    249,644.70x = 48,994,068,861.53
  5. Step 5: Solve for x
    x = 48,994,068,861.53/249,644.70
  6. Step 6: Final answer
    x = 196,255.19

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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.