Home / 243,521.22-335,841.71-152,885.63

Finding the Fourth Proportional to 243,521.22, 335,841.71 and 152,885.63

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Solution

The fourth proportional to 243,521.22, 335,841.71 and 152,885.63 is: 210,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,521.22 : 335,841.71 = 152,885.63 : x
  2. Step 2: Convert to fraction form
    243,521.22/335,841.71 = 152,885.63/x
  3. Step 3: Cross multiply
    243,521.22x = 335,841.71 × 152,885.63
  4. Step 4: Simplify right side
    243,521.22x = 51,345,372,635.45
  5. Step 5: Solve for x
    x = 51,345,372,635.45/243,521.22
  6. Step 6: Final answer
    x = 210,845.58

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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.