Home / 107,156.64-160,716.48-28,271.52

Finding the Fourth Proportional to 107,156.64, 160,716.48 and 28,271.52

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Solution

The fourth proportional to 107,156.64, 160,716.48 and 28,271.52 is: 42,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,156.64 : 160,716.48 = 28,271.52 : x
  2. Step 2: Convert to fraction form
    107,156.64/160,716.48 = 28,271.52/x
  3. Step 3: Cross multiply
    107,156.64x = 160,716.48 × 28,271.52
  4. Step 4: Simplify right side
    107,156.64x = 4,543,699,178.65
  5. Step 5: Solve for x
    x = 4,543,699,178.65/107,156.64
  6. Step 6: Final answer
    x = 42,402.40

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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.