Home / 370,111.84-555,169.20-89,629.36

Finding the Fourth Proportional to 370,111.84, 555,169.20 and 89,629.36

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Solution

The fourth proportional to 370,111.84, 555,169.20 and 89,629.36 is: 134,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,111.84 : 555,169.20 = 89,629.36 : x
  2. Step 2: Convert to fraction form
    370,111.84/555,169.20 = 89,629.36/x
  3. Step 3: Cross multiply
    370,111.84x = 555,169.20 × 89,629.36
  4. Step 4: Simplify right side
    370,111.84x = 49,759,460,087.71
  5. Step 5: Solve for x
    x = 49,759,460,087.71/370,111.84
  6. Step 6: Final answer
    x = 134,444.39

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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.