Home / 180,609.06-249,240.24-100,036.56

Finding the Fourth Proportional to 180,609.06, 249,240.24 and 100,036.56

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Solution

The fourth proportional to 180,609.06, 249,240.24 and 100,036.56 is: 138,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,609.06 : 249,240.24 = 100,036.56 : x
  2. Step 2: Convert to fraction form
    180,609.06/249,240.24 = 100,036.56/x
  3. Step 3: Cross multiply
    180,609.06x = 249,240.24 × 100,036.56
  4. Step 4: Simplify right side
    180,609.06x = 24,933,136,223.17
  5. Step 5: Solve for x
    x = 24,933,136,223.17/180,609.06
  6. Step 6: Final answer
    x = 138,050.31

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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.