Home / 163,818.63-245,700.57-45,501.93

Finding the Fourth Proportional to 163,818.63, 245,700.57 and 45,501.93

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Solution

The fourth proportional to 163,818.63, 245,700.57 and 45,501.93 is: 68,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,818.63 : 245,700.57 = 45,501.93 : x
  2. Step 2: Convert to fraction form
    163,818.63/245,700.57 = 45,501.93/x
  3. Step 3: Cross multiply
    163,818.63x = 245,700.57 × 45,501.93
  4. Step 4: Simplify right side
    163,818.63x = 11,179,850,137.10
  5. Step 5: Solve for x
    x = 11,179,850,137.10/163,818.63
  6. Step 6: Final answer
    x = 68,245.29

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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.