Home / 147,653.60-221,512.32-47,823.84

Finding the Fourth Proportional to 147,653.60, 221,512.32 and 47,823.84

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Solution

The fourth proportional to 147,653.60, 221,512.32 and 47,823.84 is: 71,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,653.60 : 221,512.32 = 47,823.84 : x
  2. Step 2: Convert to fraction form
    147,653.60/221,512.32 = 47,823.84/x
  3. Step 3: Cross multiply
    147,653.60x = 221,512.32 × 47,823.84
  4. Step 4: Simplify right side
    147,653.60x = 10,593,569,749.71
  5. Step 5: Solve for x
    x = 10,593,569,749.71/147,653.60
  6. Step 6: Final answer
    x = 71,746.10

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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.