Home / 288,181.40-432,272.08-147,850.52

Finding the Fourth Proportional to 288,181.40, 432,272.08 and 147,850.52

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Solution

The fourth proportional to 288,181.40, 432,272.08 and 147,850.52 is: 221,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,181.40 : 432,272.08 = 147,850.52 : x
  2. Step 2: Convert to fraction form
    288,181.40/432,272.08 = 147,850.52/x
  3. Step 3: Cross multiply
    288,181.40x = 432,272.08 × 147,850.52
  4. Step 4: Simplify right side
    288,181.40x = 63,911,651,809.48
  5. Step 5: Solve for x
    x = 63,911,651,809.48/288,181.40
  6. Step 6: Final answer
    x = 221,775.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.