Home / 161,804.07-242,515.49-72,953.55

Finding the Fourth Proportional to 161,804.07, 242,515.49 and 72,953.55

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Solution

The fourth proportional to 161,804.07, 242,515.49 and 72,953.55 is: 109,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,804.07 : 242,515.49 = 72,953.55 : x
  2. Step 2: Convert to fraction form
    161,804.07/242,515.49 = 72,953.55/x
  3. Step 3: Cross multiply
    161,804.07x = 242,515.49 × 72,953.55
  4. Step 4: Simplify right side
    161,804.07x = 17,692,365,560.72
  5. Step 5: Solve for x
    x = 17,692,365,560.72/161,804.07
  6. Step 6: Final answer
    x = 109,344.38

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1.5x scale

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.