Home / 220,972.48-304,927.65-130,307.65

Finding the Fourth Proportional to 220,972.48, 304,927.65 and 130,307.65

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Solution

The fourth proportional to 220,972.48, 304,927.65 and 130,307.65 is: 179,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,972.48 : 304,927.65 = 130,307.65 : x
  2. Step 2: Convert to fraction form
    220,972.48/304,927.65 = 130,307.65/x
  3. Step 3: Cross multiply
    220,972.48x = 304,927.65 × 130,307.65
  4. Step 4: Simplify right side
    220,972.48x = 39,734,405,491.52
  5. Step 5: Solve for x
    x = 39,734,405,491.52/220,972.48
  6. Step 6: Final answer
    x = 179,816.08

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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.