Home / 155,615.70-233,423.55-148,790.10

Finding the Fourth Proportional to 155,615.70, 233,423.55 and 148,790.10

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Solution

The fourth proportional to 155,615.70, 233,423.55 and 148,790.10 is: 223,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,615.70 : 233,423.55 = 148,790.10 : x
  2. Step 2: Convert to fraction form
    155,615.70/233,423.55 = 148,790.10/x
  3. Step 3: Cross multiply
    155,615.70x = 233,423.55 × 148,790.10
  4. Step 4: Simplify right side
    155,615.70x = 34,731,113,346.86
  5. Step 5: Solve for x
    x = 34,731,113,346.86/155,615.70
  6. Step 6: Final answer
    x = 223,185.15

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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.