Home / 147,640.20-221,460.30-58,907.40

Finding the Fourth Proportional to 147,640.20, 221,460.30 and 58,907.40

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Solution

The fourth proportional to 147,640.20, 221,460.30 and 58,907.40 is: 88,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,640.20 : 221,460.30 = 58,907.40 : x
  2. Step 2: Convert to fraction form
    147,640.20/221,460.30 = 58,907.40/x
  3. Step 3: Cross multiply
    147,640.20x = 221,460.30 × 58,907.40
  4. Step 4: Simplify right side
    147,640.20x = 13,045,650,476.22
  5. Step 5: Solve for x
    x = 13,045,650,476.22/147,640.20
  6. Step 6: Final answer
    x = 88,361.10

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1.5x scale

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.