Home / 157,491.74-217,357.04-89,518.92

Finding the Fourth Proportional to 157,491.74, 217,357.04 and 89,518.92

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Solution

The fourth proportional to 157,491.74, 217,357.04 and 89,518.92 is: 123,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,491.74 : 217,357.04 = 89,518.92 : x
  2. Step 2: Convert to fraction form
    157,491.74/217,357.04 = 89,518.92/x
  3. Step 3: Cross multiply
    157,491.74x = 217,357.04 × 89,518.92
  4. Step 4: Simplify right side
    157,491.74x = 19,457,567,475.20
  5. Step 5: Solve for x
    x = 19,457,567,475.20/157,491.74
  6. Step 6: Final answer
    x = 123,546.59

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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.