Home / 168,963.02-253,220.34-140,937.98

Finding the Fourth Proportional to 168,963.02, 253,220.34 and 140,937.98

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Solution

The fourth proportional to 168,963.02, 253,220.34 and 140,937.98 is: 211,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,963.02 : 253,220.34 = 140,937.98 : x
  2. Step 2: Convert to fraction form
    168,963.02/253,220.34 = 140,937.98/x
  3. Step 3: Cross multiply
    168,963.02x = 253,220.34 × 140,937.98
  4. Step 4: Simplify right side
    168,963.02x = 35,688,363,214.51
  5. Step 5: Solve for x
    x = 35,688,363,214.51/168,963.02
  6. Step 6: Final answer
    x = 211,219.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.