Home / 180,896.35-249,651.91-100,349.85

Finding the Fourth Proportional to 180,896.35, 249,651.91 and 100,349.85

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Solution

The fourth proportional to 180,896.35, 249,651.91 and 100,349.85 is: 138,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,896.35 : 249,651.91 = 100,349.85 : x
  2. Step 2: Convert to fraction form
    180,896.35/249,651.91 = 100,349.85/x
  3. Step 3: Cross multiply
    180,896.35x = 249,651.91 × 100,349.85
  4. Step 4: Simplify right side
    180,896.35x = 25,052,531,720.71
  5. Step 5: Solve for x
    x = 25,052,531,720.71/180,896.35
  6. Step 6: Final answer
    x = 138,491.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.