Home / 148,913.90-223,543.65-89,816.30

Finding the Fourth Proportional to 148,913.90, 223,543.65 and 89,816.30

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Solution

The fourth proportional to 148,913.90, 223,543.65 and 89,816.30 is: 134,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,913.90 : 223,543.65 = 89,816.30 : x
  2. Step 2: Convert to fraction form
    148,913.90/223,543.65 = 89,816.30/x
  3. Step 3: Cross multiply
    148,913.90x = 223,543.65 × 89,816.30
  4. Step 4: Simplify right side
    148,913.90x = 20,077,863,531.50
  5. Step 5: Solve for x
    x = 20,077,863,531.50/148,913.90
  6. Step 6: Final answer
    x = 134,828.67

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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.