Home / 169,113.42-253,549.85-84,812.67

Finding the Fourth Proportional to 169,113.42, 253,549.85 and 84,812.67

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Solution

The fourth proportional to 169,113.42, 253,549.85 and 84,812.67 is: 127,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,113.42 : 253,549.85 = 84,812.67 : x
  2. Step 2: Convert to fraction form
    169,113.42/253,549.85 = 84,812.67/x
  3. Step 3: Cross multiply
    169,113.42x = 253,549.85 × 84,812.67
  4. Step 4: Simplify right side
    169,113.42x = 21,504,239,332.54
  5. Step 5: Solve for x
    x = 21,504,239,332.54/169,113.42
  6. Step 6: Final answer
    x = 127,158.68

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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.