Home / 151,102.34-208,525.12-83,121.06

Finding the Fourth Proportional to 151,102.34, 208,525.12 and 83,121.06

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Solution

The fourth proportional to 151,102.34, 208,525.12 and 83,121.06 is: 114,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,102.34 : 208,525.12 = 83,121.06 : x
  2. Step 2: Convert to fraction form
    151,102.34/208,525.12 = 83,121.06/x
  3. Step 3: Cross multiply
    151,102.34x = 208,525.12 × 83,121.06
  4. Step 4: Simplify right side
    151,102.34x = 17,332,829,011.03
  5. Step 5: Solve for x
    x = 17,332,829,011.03/151,102.34
  6. Step 6: Final answer
    x = 114,709.20

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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.