Home / 156,779.22-235,207.90-45,971.22

Finding the Fourth Proportional to 156,779.22, 235,207.90 and 45,971.22

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Solution

The fourth proportional to 156,779.22, 235,207.90 and 45,971.22 is: 68,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779.22 : 235,207.90 = 45,971.22 : x
  2. Step 2: Convert to fraction form
    156,779.22/235,207.90 = 45,971.22/x
  3. Step 3: Cross multiply
    156,779.22x = 235,207.90 × 45,971.22
  4. Step 4: Simplify right side
    156,779.22x = 10,812,794,116.64
  5. Step 5: Solve for x
    x = 10,812,794,116.64/156,779.22
  6. Step 6: Final answer
    x = 68,968.29

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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.