Home / 157,826.36-217,798.94-86,206.37

Finding the Fourth Proportional to 157,826.36, 217,798.94 and 86,206.37

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Solution

The fourth proportional to 157,826.36, 217,798.94 and 86,206.37 is: 118,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,826.36 : 217,798.94 = 86,206.37 : x
  2. Step 2: Convert to fraction form
    157,826.36/217,798.94 = 86,206.37/x
  3. Step 3: Cross multiply
    157,826.36x = 217,798.94 × 86,206.37
  4. Step 4: Simplify right side
    157,826.36x = 18,775,656,007.25
  5. Step 5: Solve for x
    x = 18,775,656,007.25/157,826.36
  6. Step 6: Final answer
    x = 118,964.01

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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.