Home / 291,473.57-402,234.34-168,989.76

Finding the Fourth Proportional to 291,473.57, 402,234.34 and 168,989.76

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Solution

The fourth proportional to 291,473.57, 402,234.34 and 168,989.76 is: 233,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,473.57 : 402,234.34 = 168,989.76 : x
  2. Step 2: Convert to fraction form
    291,473.57/402,234.34 = 168,989.76/x
  3. Step 3: Cross multiply
    291,473.57x = 402,234.34 × 168,989.76
  4. Step 4: Simplify right side
    291,473.57x = 67,973,484,474.74
  5. Step 5: Solve for x
    x = 67,973,484,474.74/291,473.57
  6. Step 6: Final answer
    x = 233,206.34

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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.