Home / 143,096.34-197,491.14-86,507.58

Finding the Fourth Proportional to 143,096.34, 197,491.14 and 86,507.58

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Solution

The fourth proportional to 143,096.34, 197,491.14 and 86,507.58 is: 119,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,096.34 : 197,491.14 = 86,507.58 : x
  2. Step 2: Convert to fraction form
    143,096.34/197,491.14 = 86,507.58/x
  3. Step 3: Cross multiply
    143,096.34x = 197,491.14 × 86,507.58
  4. Step 4: Simplify right side
    143,096.34x = 17,084,480,592.84
  5. Step 5: Solve for x
    x = 17,084,480,592.84/143,096.34
  6. Step 6: Final answer
    x = 119,391.46

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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.