Home / 157,483.36-217,318.80-89,491.24

Finding the Fourth Proportional to 157,483.36, 217,318.80 and 89,491.24

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Solution

The fourth proportional to 157,483.36, 217,318.80 and 89,491.24 is: 123,493.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,483.36 : 217,318.80 = 89,491.24 : x
  2. Step 2: Convert to fraction form
    157,483.36/217,318.80 = 89,491.24/x
  3. Step 3: Cross multiply
    157,483.36x = 217,318.80 × 89,491.24
  4. Step 4: Simplify right side
    157,483.36x = 19,448,128,887.31
  5. Step 5: Solve for x
    x = 19,448,128,887.31/157,483.36
  6. Step 6: Final answer
    x = 123,493.23

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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.