Home / 157,480.36-217,314.66-89,488.24

Finding the Fourth Proportional to 157,480.36, 217,314.66 and 89,488.24

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Solution

The fourth proportional to 157,480.36, 217,314.66 and 89,488.24 is: 123,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,480.36 : 217,314.66 = 89,488.24 : x
  2. Step 2: Convert to fraction form
    157,480.36/217,314.66 = 89,488.24/x
  3. Step 3: Cross multiply
    157,480.36x = 217,314.66 × 89,488.24
  4. Step 4: Simplify right side
    157,480.36x = 19,447,106,449.60
  5. Step 5: Solve for x
    x = 19,447,106,449.60/157,480.36
  6. Step 6: Final answer
    x = 123,489.09

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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.