Home / 163,756.07-245,632.73-45,427.41

Finding the Fourth Proportional to 163,756.07, 245,632.73 and 45,427.41

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Solution

The fourth proportional to 163,756.07, 245,632.73 and 45,427.41 is: 68,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,756.07 : 245,632.73 = 45,427.41 : x
  2. Step 2: Convert to fraction form
    163,756.07/245,632.73 = 45,427.41/x
  3. Step 3: Cross multiply
    163,756.07x = 245,632.73 × 45,427.41
  4. Step 4: Simplify right side
    163,756.07x = 11,158,458,232.38
  5. Step 5: Solve for x
    x = 11,158,458,232.38/163,756.07
  6. Step 6: Final answer
    x = 68,140.73

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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.