Home / 160,661.81-221,653.95-96,132.55

Finding the Fourth Proportional to 160,661.81, 221,653.95 and 96,132.55

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Solution

The fourth proportional to 160,661.81, 221,653.95 and 96,132.55 is: 132,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,661.81 : 221,653.95 = 96,132.55 : x
  2. Step 2: Convert to fraction form
    160,661.81/221,653.95 = 96,132.55/x
  3. Step 3: Cross multiply
    160,661.81x = 221,653.95 × 96,132.55
  4. Step 4: Simplify right side
    160,661.81x = 21,308,159,431.07
  5. Step 5: Solve for x
    x = 21,308,159,431.07/160,661.81
  6. Step 6: Final answer
    x = 132,627.41

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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.