Home / 117,548.40-176,322.60-73,152.30

Finding the Fourth Proportional to 117,548.40, 176,322.60 and 73,152.30

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Solution

The fourth proportional to 117,548.40, 176,322.60 and 73,152.30 is: 109,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,548.40 : 176,322.60 = 73,152.30 : x
  2. Step 2: Convert to fraction form
    117,548.40/176,322.60 = 73,152.30/x
  3. Step 3: Cross multiply
    117,548.40x = 176,322.60 × 73,152.30
  4. Step 4: Simplify right side
    117,548.40x = 12,898,403,731.98
  5. Step 5: Solve for x
    x = 12,898,403,731.98/117,548.40
  6. Step 6: Final answer
    x = 109,728.45

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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.