Home / 207,459.30-286,271.88-116,813.72

Finding the Fourth Proportional to 207,459.30, 286,271.88 and 116,813.72

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Solution

The fourth proportional to 207,459.30, 286,271.88 and 116,813.72 is: 161,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,459.30 : 286,271.88 = 116,813.72 : x
  2. Step 2: Convert to fraction form
    207,459.30/286,271.88 = 116,813.72/x
  3. Step 3: Cross multiply
    207,459.30x = 286,271.88 × 116,813.72
  4. Step 4: Simplify right side
    207,459.30x = 33,440,483,234.19
  5. Step 5: Solve for x
    x = 33,440,483,234.19/207,459.30
  6. Step 6: Final answer
    x = 161,190.57

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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.