Home / 181,004.27-249,782.07-100,430.06

Finding the Fourth Proportional to 181,004.27, 249,782.07 and 100,430.06

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Solution

The fourth proportional to 181,004.27, 249,782.07 and 100,430.06 is: 138,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,004.27 : 249,782.07 = 100,430.06 : x
  2. Step 2: Convert to fraction form
    181,004.27/249,782.07 = 100,430.06/x
  3. Step 3: Cross multiply
    181,004.27x = 249,782.07 × 100,430.06
  4. Step 4: Simplify right side
    181,004.27x = 25,085,627,028.11
  5. Step 5: Solve for x
    x = 25,085,627,028.11/181,004.27
  6. Step 6: Final answer
    x = 138,591.36

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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.