Home / 178,344.51-245,900.21-154,101.66

Finding the Fourth Proportional to 178,344.51, 245,900.21 and 154,101.66

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Solution

The fourth proportional to 178,344.51, 245,900.21 and 154,101.66 is: 212,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,344.51 : 245,900.21 = 154,101.66 : x
  2. Step 2: Convert to fraction form
    178,344.51/245,900.21 = 154,101.66/x
  3. Step 3: Cross multiply
    178,344.51x = 245,900.21 × 154,101.66
  4. Step 4: Simplify right side
    178,344.51x = 37,893,630,555.35
  5. Step 5: Solve for x
    x = 37,893,630,555.35/178,344.51
  6. Step 6: Final answer
    x = 212,474.33

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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.