Home / 149,779.92-224,669.88-102,890.64

Finding the Fourth Proportional to 149,779.92, 224,669.88 and 102,890.64

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Solution

The fourth proportional to 149,779.92, 224,669.88 and 102,890.64 is: 154,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,779.92 : 224,669.88 = 102,890.64 : x
  2. Step 2: Convert to fraction form
    149,779.92/224,669.88 = 102,890.64/x
  3. Step 3: Cross multiply
    149,779.92x = 224,669.88 × 102,890.64
  4. Step 4: Simplify right side
    149,779.92x = 23,116,427,741.92
  5. Step 5: Solve for x
    x = 23,116,427,741.92/149,779.92
  6. Step 6: Final answer
    x = 154,335.96

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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.