Home / 152,220.60-210,148.88-91,806.48

Finding the Fourth Proportional to 152,220.60, 210,148.88 and 91,806.48

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Solution

The fourth proportional to 152,220.60, 210,148.88 and 91,806.48 is: 126,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,220.60 : 210,148.88 = 91,806.48 : x
  2. Step 2: Convert to fraction form
    152,220.60/210,148.88 = 91,806.48/x
  3. Step 3: Cross multiply
    152,220.60x = 210,148.88 × 91,806.48
  4. Step 4: Simplify right side
    152,220.60x = 19,293,028,489.71
  5. Step 5: Solve for x
    x = 19,293,028,489.71/152,220.60
  6. Step 6: Final answer
    x = 126,743.87

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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.