Home / 288,918.23-433,423.51-89,191.67

Finding the Fourth Proportional to 288,918.23, 433,423.51 and 89,191.67

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Solution

The fourth proportional to 288,918.23, 433,423.51 and 89,191.67 is: 133,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,918.23 : 433,423.51 = 89,191.67 : x
  2. Step 2: Convert to fraction form
    288,918.23/433,423.51 = 89,191.67/x
  3. Step 3: Cross multiply
    288,918.23x = 433,423.51 × 89,191.67
  4. Step 4: Simplify right side
    288,918.23x = 38,657,764,284.07
  5. Step 5: Solve for x
    x = 38,657,764,284.07/288,918.23
  6. Step 6: Final answer
    x = 133,801.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.