Home / 176,682.49-243,820.63-100,216.46

Finding the Fourth Proportional to 176,682.49, 243,820.63 and 100,216.46

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Solution

The fourth proportional to 176,682.49, 243,820.63 and 100,216.46 is: 138,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,682.49 : 243,820.63 = 100,216.46 : x
  2. Step 2: Convert to fraction form
    176,682.49/243,820.63 = 100,216.46/x
  3. Step 3: Cross multiply
    176,682.49x = 243,820.63 × 100,216.46
  4. Step 4: Simplify right side
    176,682.49x = 24,434,840,772.58
  5. Step 5: Solve for x
    x = 24,434,840,772.58/176,682.49
  6. Step 6: Final answer
    x = 138,298.03

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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.