Home / 159,547.19-220,175.53-86,950.64

Finding the Fourth Proportional to 159,547.19, 220,175.53 and 86,950.64

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Solution

The fourth proportional to 159,547.19, 220,175.53 and 86,950.64 is: 119,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547.19 : 220,175.53 = 86,950.64 : x
  2. Step 2: Convert to fraction form
    159,547.19/220,175.53 = 86,950.64/x
  3. Step 3: Cross multiply
    159,547.19x = 220,175.53 × 86,950.64
  4. Step 4: Simplify right side
    159,547.19x = 19,144,403,578.90
  5. Step 5: Solve for x
    x = 19,144,403,578.90/159,547.19
  6. Step 6: Final answer
    x = 119,992.11

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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.