Home / 180,882.24-249,632.45-100,335.79

Finding the Fourth Proportional to 180,882.24, 249,632.45 and 100,335.79

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Solution

The fourth proportional to 180,882.24, 249,632.45 and 100,335.79 is: 138,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,882.24 : 249,632.45 = 100,335.79 : x
  2. Step 2: Convert to fraction form
    180,882.24/249,632.45 = 100,335.79/x
  3. Step 3: Cross multiply
    180,882.24x = 249,632.45 × 100,335.79
  4. Step 4: Simplify right side
    180,882.24x = 25,047,068,707.14
  5. Step 5: Solve for x
    x = 25,047,068,707.14/180,882.24
  6. Step 6: Final answer
    x = 138,471.69

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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.