Home / 223,519.89-308,461.11-121,547.37

Finding the Fourth Proportional to 223,519.89, 308,461.11 and 121,547.37

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Solution

The fourth proportional to 223,519.89, 308,461.11 and 121,547.37 is: 167,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,519.89 : 308,461.11 = 121,547.37 : x
  2. Step 2: Convert to fraction form
    223,519.89/308,461.11 = 121,547.37/x
  3. Step 3: Cross multiply
    223,519.89x = 308,461.11 × 121,547.37
  4. Step 4: Simplify right side
    223,519.89x = 37,492,636,667.78
  5. Step 5: Solve for x
    x = 37,492,636,667.78/223,519.89
  6. Step 6: Final answer
    x = 167,737.36

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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.