Home / 149,878.47-224,928.58-70,992.88

Finding the Fourth Proportional to 149,878.47, 224,928.58 and 70,992.88

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Solution

The fourth proportional to 149,878.47, 224,928.58 and 70,992.88 is: 106,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,878.47 : 224,928.58 = 70,992.88 : x
  2. Step 2: Convert to fraction form
    149,878.47/224,928.58 = 70,992.88/x
  3. Step 3: Cross multiply
    149,878.47x = 224,928.58 × 70,992.88
  4. Step 4: Simplify right side
    149,878.47x = 15,968,327,688.51
  5. Step 5: Solve for x
    x = 15,968,327,688.51/149,878.47
  6. Step 6: Final answer
    x = 106,541.84

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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.