Home / 117,171.24-175,720.50-42,281.68

Finding the Fourth Proportional to 117,171.24, 175,720.50 and 42,281.68

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Solution

The fourth proportional to 117,171.24, 175,720.50 and 42,281.68 is: 63,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,171.24 : 175,720.50 = 42,281.68 : x
  2. Step 2: Convert to fraction form
    117,171.24/175,720.50 = 42,281.68/x
  3. Step 3: Cross multiply
    117,171.24x = 175,720.50 × 42,281.68
  4. Step 4: Simplify right side
    117,171.24x = 7,429,757,950.44
  5. Step 5: Solve for x
    x = 7,429,757,950.44/117,171.24
  6. Step 6: Final answer
    x = 63,409.40

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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.