Home / 180,704.36-249,377.48-100,124.35

Finding the Fourth Proportional to 180,704.36, 249,377.48 and 100,124.35

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Solution

The fourth proportional to 180,704.36, 249,377.48 and 100,124.35 is: 138,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,704.36 : 249,377.48 = 100,124.35 : x
  2. Step 2: Convert to fraction form
    180,704.36/249,377.48 = 100,124.35/x
  3. Step 3: Cross multiply
    180,704.36x = 249,377.48 × 100,124.35
  4. Step 4: Simplify right side
    180,704.36x = 24,968,758,089.64
  5. Step 5: Solve for x
    x = 24,968,758,089.64/180,704.36
  6. Step 6: Final answer
    x = 138,174.63

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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.