Home / 117,931.80-162,905.08-94,224.72

Finding the Fourth Proportional to 117,931.80, 162,905.08 and 94,224.72

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Solution

The fourth proportional to 117,931.80, 162,905.08 and 94,224.72 is: 130,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,931.80 : 162,905.08 = 94,224.72 : x
  2. Step 2: Convert to fraction form
    117,931.80/162,905.08 = 94,224.72/x
  3. Step 3: Cross multiply
    117,931.80x = 162,905.08 × 94,224.72
  4. Step 4: Simplify right side
    117,931.80x = 15,349,685,549.58
  5. Step 5: Solve for x
    x = 15,349,685,549.58/117,931.80
  6. Step 6: Final answer
    x = 130,157.31

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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.