Home / 207,045.12-285,732.40-116,429.64

Finding the Fourth Proportional to 207,045.12, 285,732.40 and 116,429.64

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Solution

The fourth proportional to 207,045.12, 285,732.40 and 116,429.64 is: 160,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,045.12 : 285,732.40 = 116,429.64 : x
  2. Step 2: Convert to fraction form
    207,045.12/285,732.40 = 116,429.64/x
  3. Step 3: Cross multiply
    207,045.12x = 285,732.40 × 116,429.64
  4. Step 4: Simplify right side
    207,045.12x = 33,267,720,468.34
  5. Step 5: Solve for x
    x = 33,267,720,468.34/207,045.12
  6. Step 6: Final answer
    x = 160,678.60

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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.