Home / 157,515.36-217,362.96-89,523.24

Finding the Fourth Proportional to 157,515.36, 217,362.96 and 89,523.24

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Solution

The fourth proportional to 157,515.36, 217,362.96 and 89,523.24 is: 123,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,515.36 : 217,362.96 = 89,523.24 : x
  2. Step 2: Convert to fraction form
    157,515.36/217,362.96 = 89,523.24/x
  3. Step 3: Cross multiply
    157,515.36x = 217,362.96 × 89,523.24
  4. Step 4: Simplify right side
    157,515.36x = 19,459,036,435.19
  5. Step 5: Solve for x
    x = 19,459,036,435.19/157,515.36
  6. Step 6: Final answer
    x = 123,537.39

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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.