Home / 163,534.14-245,126.25-84,568.86

Finding the Fourth Proportional to 163,534.14, 245,126.25 and 84,568.86

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Solution

The fourth proportional to 163,534.14, 245,126.25 and 84,568.86 is: 126,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,534.14 : 245,126.25 = 84,568.86 : x
  2. Step 2: Convert to fraction form
    163,534.14/245,126.25 = 84,568.86/x
  3. Step 3: Cross multiply
    163,534.14x = 245,126.25 × 84,568.86
  4. Step 4: Simplify right side
    163,534.14x = 20,730,047,518.58
  5. Step 5: Solve for x
    x = 20,730,047,518.58/163,534.14
  6. Step 6: Final answer
    x = 126,762.81

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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.