Home / 161,731.04-242,466.96-108,478.40

Finding the Fourth Proportional to 161,731.04, 242,466.96 and 108,478.40

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Solution

The fourth proportional to 161,731.04, 242,466.96 and 108,478.40 is: 162,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,731.04 : 242,466.96 = 108,478.40 : x
  2. Step 2: Convert to fraction form
    161,731.04/242,466.96 = 108,478.40/x
  3. Step 3: Cross multiply
    161,731.04x = 242,466.96 × 108,478.40
  4. Step 4: Simplify right side
    161,731.04x = 26,302,427,873.66
  5. Step 5: Solve for x
    x = 26,302,427,873.66/161,731.04
  6. Step 6: Final answer
    x = 162,630.67

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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.