Home / 157,555.16-217,418.27-89,563.22

Finding the Fourth Proportional to 157,555.16, 217,418.27 and 89,563.22

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Solution

The fourth proportional to 157,555.16, 217,418.27 and 89,563.22 is: 123,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,555.16 : 217,418.27 = 89,563.22 : x
  2. Step 2: Convert to fraction form
    157,555.16/217,418.27 = 89,563.22/x
  3. Step 3: Cross multiply
    157,555.16x = 217,418.27 × 89,563.22
  4. Step 4: Simplify right side
    157,555.16x = 19,472,678,813.12
  5. Step 5: Solve for x
    x = 19,472,678,813.12/157,555.16
  6. Step 6: Final answer
    x = 123,592.77

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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.