Home / 113,518.02-170,014.57-109,581.42

Finding the Fourth Proportional to 113,518.02, 170,014.57 and 109,581.42

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Solution

The fourth proportional to 113,518.02, 170,014.57 and 109,581.42 is: 164,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,518.02 : 170,014.57 = 109,581.42 : x
  2. Step 2: Convert to fraction form
    113,518.02/170,014.57 = 109,581.42/x
  3. Step 3: Cross multiply
    113,518.02x = 170,014.57 × 109,581.42
  4. Step 4: Simplify right side
    113,518.02x = 18,630,438,001.29
  5. Step 5: Solve for x
    x = 18,630,438,001.29/113,518.02
  6. Step 6: Final answer
    x = 164,118.77

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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.