Home / 132,485.16-182,758.55-92,128.86

Finding the Fourth Proportional to 132,485.16, 182,758.55 and 92,128.86

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Solution

The fourth proportional to 132,485.16, 182,758.55 and 92,128.86 is: 127,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,485.16 : 182,758.55 = 92,128.86 : x
  2. Step 2: Convert to fraction form
    132,485.16/182,758.55 = 92,128.86/x
  3. Step 3: Cross multiply
    132,485.16x = 182,758.55 × 92,128.86
  4. Step 4: Simplify right side
    132,485.16x = 16,837,336,406.11
  5. Step 5: Solve for x
    x = 16,837,336,406.11/132,485.16
  6. Step 6: Final answer
    x = 127,088.47

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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.