Home / 181,150.15-249,993.58-100,578.91

Finding the Fourth Proportional to 181,150.15, 249,993.58 and 100,578.91

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Solution

The fourth proportional to 181,150.15, 249,993.58 and 100,578.91 is: 138,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,150.15 : 249,993.58 = 100,578.91 : x
  2. Step 2: Convert to fraction form
    181,150.15/249,993.58 = 100,578.91/x
  3. Step 3: Cross multiply
    181,150.15x = 249,993.58 × 100,578.91
  4. Step 4: Simplify right side
    181,150.15x = 25,144,080,281.98
  5. Step 5: Solve for x
    x = 25,144,080,281.98/181,150.15
  6. Step 6: Final answer
    x = 138,802.43

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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.