Home / 147,824.34-221,712.21-42,615.06

Finding the Fourth Proportional to 147,824.34, 221,712.21 and 42,615.06

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Solution

The fourth proportional to 147,824.34, 221,712.21 and 42,615.06 is: 63,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,824.34 : 221,712.21 = 42,615.06 : x
  2. Step 2: Convert to fraction form
    147,824.34/221,712.21 = 42,615.06/x
  3. Step 3: Cross multiply
    147,824.34x = 221,712.21 × 42,615.06
  4. Step 4: Simplify right side
    147,824.34x = 9,448,279,131.88
  5. Step 5: Solve for x
    x = 9,448,279,131.88/147,824.34
  6. Step 6: Final answer
    x = 63,915.58

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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.