Home / 113,343.42-170,015.43-54,165.63

Finding the Fourth Proportional to 113,343.42, 170,015.43 and 54,165.63

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Solution

The fourth proportional to 113,343.42, 170,015.43 and 54,165.63 is: 81,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,343.42 : 170,015.43 = 54,165.63 : x
  2. Step 2: Convert to fraction form
    113,343.42/170,015.43 = 54,165.63/x
  3. Step 3: Cross multiply
    113,343.42x = 170,015.43 × 54,165.63
  4. Step 4: Simplify right side
    113,343.42x = 9,208,992,875.67
  5. Step 5: Solve for x
    x = 9,208,992,875.67/113,343.42
  6. Step 6: Final answer
    x = 81,248.59

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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.