Home / 146,329.06-219,393.69-70,387.51

Finding the Fourth Proportional to 146,329.06, 219,393.69 and 70,387.51

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Solution

The fourth proportional to 146,329.06, 219,393.69 and 70,387.51 is: 105,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,329.06 : 219,393.69 = 70,387.51 : x
  2. Step 2: Convert to fraction form
    146,329.06/219,393.69 = 70,387.51/x
  3. Step 3: Cross multiply
    146,329.06x = 219,393.69 × 70,387.51
  4. Step 4: Simplify right side
    146,329.06x = 15,442,575,548.81
  5. Step 5: Solve for x
    x = 15,442,575,548.81/146,329.06
  6. Step 6: Final answer
    x = 105,533.21

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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.