Home / 147,828.24-221,739.22-47,988.28

Finding the Fourth Proportional to 147,828.24, 221,739.22 and 47,988.28

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Solution

The fourth proportional to 147,828.24, 221,739.22 and 47,988.28 is: 71,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,828.24 : 221,739.22 = 47,988.28 : x
  2. Step 2: Convert to fraction form
    147,828.24/221,739.22 = 47,988.28/x
  3. Step 3: Cross multiply
    147,828.24x = 221,739.22 × 47,988.28
  4. Step 4: Simplify right side
    147,828.24x = 10,640,884,113.50
  5. Step 5: Solve for x
    x = 10,640,884,113.50/147,828.24
  6. Step 6: Final answer
    x = 71,981.40

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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.