Home / 208,291.12-312,397.44-101,568.04

Finding the Fourth Proportional to 208,291.12, 312,397.44 and 101,568.04

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Solution

The fourth proportional to 208,291.12, 312,397.44 and 101,568.04 is: 152,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,291.12 : 312,397.44 = 101,568.04 : x
  2. Step 2: Convert to fraction form
    208,291.12/312,397.44 = 101,568.04/x
  3. Step 3: Cross multiply
    208,291.12x = 312,397.44 × 101,568.04
  4. Step 4: Simplify right side
    208,291.12x = 31,729,595,681.82
  5. Step 5: Solve for x
    x = 31,729,595,681.82/208,291.12
  6. Step 6: Final answer
    x = 152,332.93

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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.