Home / 180,290.85-248,771.64-99,702.63

Finding the Fourth Proportional to 180,290.85, 248,771.64 and 99,702.63

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Solution

The fourth proportional to 180,290.85, 248,771.64 and 99,702.63 is: 137,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,290.85 : 248,771.64 = 99,702.63 : x
  2. Step 2: Convert to fraction form
    180,290.85/248,771.64 = 99,702.63/x
  3. Step 3: Cross multiply
    180,290.85x = 248,771.64 × 99,702.63
  4. Step 4: Simplify right side
    180,290.85x = 24,803,186,777.41
  5. Step 5: Solve for x
    x = 24,803,186,777.41/180,290.85
  6. Step 6: Final answer
    x = 137,573.19

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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.