Home / 176,200.31-243,156.74-100,748.81

Finding the Fourth Proportional to 176,200.31, 243,156.74 and 100,748.81

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Solution

The fourth proportional to 176,200.31, 243,156.74 and 100,748.81 is: 139,033.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,200.31 : 243,156.74 = 100,748.81 : x
  2. Step 2: Convert to fraction form
    176,200.31/243,156.74 = 100,748.81/x
  3. Step 3: Cross multiply
    176,200.31x = 243,156.74 × 100,748.81
  4. Step 4: Simplify right side
    176,200.31x = 24,497,752,302.63
  5. Step 5: Solve for x
    x = 24,497,752,302.63/176,200.31
  6. Step 6: Final answer
    x = 139,033.53

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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.