Home / 113,185.65-156,126.74-67,214.05

Finding the Fourth Proportional to 113,185.65, 156,126.74 and 67,214.05

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Solution

The fourth proportional to 113,185.65, 156,126.74 and 67,214.05 is: 92,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,185.65 : 156,126.74 = 67,214.05 : x
  2. Step 2: Convert to fraction form
    113,185.65/156,126.74 = 67,214.05/x
  3. Step 3: Cross multiply
    113,185.65x = 156,126.74 × 67,214.05
  4. Step 4: Simplify right side
    113,185.65x = 10,493,911,038.60
  5. Step 5: Solve for x
    x = 10,493,911,038.60/113,185.65
  6. Step 6: Final answer
    x = 92,714.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.