Home / 288,620.21-398,038.04-181,200.26

Finding the Fourth Proportional to 288,620.21, 398,038.04 and 181,200.26

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Solution

The fourth proportional to 288,620.21, 398,038.04 and 181,200.26 is: 249,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,620.21 : 398,038.04 = 181,200.26 : x
  2. Step 2: Convert to fraction form
    288,620.21/398,038.04 = 181,200.26/x
  3. Step 3: Cross multiply
    288,620.21x = 398,038.04 × 181,200.26
  4. Step 4: Simplify right side
    288,620.21x = 72,124,595,431.89
  5. Step 5: Solve for x
    x = 72,124,595,431.89/288,620.21
  6. Step 6: Final answer
    x = 249,894.47

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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.