Home / 147,746.75-221,620.13-36,938.75

Finding the Fourth Proportional to 147,746.75, 221,620.13 and 36,938.75

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Solution

The fourth proportional to 147,746.75, 221,620.13 and 36,938.75 is: 55,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,746.75 : 221,620.13 = 36,938.75 : x
  2. Step 2: Convert to fraction form
    147,746.75/221,620.13 = 36,938.75/x
  3. Step 3: Cross multiply
    147,746.75x = 221,620.13 × 36,938.75
  4. Step 4: Simplify right side
    147,746.75x = 8,186,370,392.34
  5. Step 5: Solve for x
    x = 8,186,370,392.34/147,746.75
  6. Step 6: Final answer
    x = 55,408.13

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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.