Home / 147,556.35-221,567.81-116,530.11

Finding the Fourth Proportional to 147,556.35, 221,567.81 and 116,530.11

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Solution

The fourth proportional to 147,556.35, 221,567.81 and 116,530.11 is: 174,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,556.35 : 221,567.81 = 116,530.11 : x
  2. Step 2: Convert to fraction form
    147,556.35/221,567.81 = 116,530.11/x
  3. Step 3: Cross multiply
    147,556.35x = 221,567.81 × 116,530.11
  4. Step 4: Simplify right side
    147,556.35x = 25,819,320,689.11
  5. Step 5: Solve for x
    x = 25,819,320,689.11/147,556.35
  6. Step 6: Final answer
    x = 174,979.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.