Home / 181,004.12-249,782.47-100,430.24

Finding the Fourth Proportional to 181,004.12, 249,782.47 and 100,430.24

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Solution

The fourth proportional to 181,004.12, 249,782.47 and 100,430.24 is: 138,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,004.12 : 249,782.47 = 100,430.24 : x
  2. Step 2: Convert to fraction form
    181,004.12/249,782.47 = 100,430.24/x
  3. Step 3: Cross multiply
    181,004.12x = 249,782.47 × 100,430.24
  4. Step 4: Simplify right side
    181,004.12x = 25,085,713,409.89
  5. Step 5: Solve for x
    x = 25,085,713,409.89/181,004.12
  6. Step 6: Final answer
    x = 138,591.95

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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.