Home / 159,547.37-220,175.39-86,950.26

Finding the Fourth Proportional to 159,547.37, 220,175.39 and 86,950.26

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Solution

The fourth proportional to 159,547.37, 220,175.39 and 86,950.26 is: 119,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547.37 : 220,175.39 = 86,950.26 : x
  2. Step 2: Convert to fraction form
    159,547.37/220,175.39 = 86,950.26/x
  3. Step 3: Cross multiply
    159,547.37x = 220,175.39 × 86,950.26
  4. Step 4: Simplify right side
    159,547.37x = 19,144,307,623.48
  5. Step 5: Solve for x
    x = 19,144,307,623.48/159,547.37
  6. Step 6: Final answer
    x = 119,991.37

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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.