Home / 216,527.55-298,846.61-130,501.90

Finding the Fourth Proportional to 216,527.55, 298,846.61 and 130,501.90

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Solution

The fourth proportional to 216,527.55, 298,846.61 and 130,501.90 is: 180,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,527.55 : 298,846.61 = 130,501.90 : x
  2. Step 2: Convert to fraction form
    216,527.55/298,846.61 = 130,501.90/x
  3. Step 3: Cross multiply
    216,527.55x = 298,846.61 × 130,501.90
  4. Step 4: Simplify right side
    216,527.55x = 39,000,051,358.06
  5. Step 5: Solve for x
    x = 39,000,051,358.06/216,527.55
  6. Step 6: Final answer
    x = 180,115.89

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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.