Home / 155,429.10-233,143.65-105,533.10

Finding the Fourth Proportional to 155,429.10, 233,143.65 and 105,533.10

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Solution

The fourth proportional to 155,429.10, 233,143.65 and 105,533.10 is: 158,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.10 : 233,143.65 = 105,533.10 : x
  2. Step 2: Convert to fraction form
    155,429.10/233,143.65 = 105,533.10/x
  3. Step 3: Cross multiply
    155,429.10x = 233,143.65 × 105,533.10
  4. Step 4: Simplify right side
    155,429.10x = 24,604,372,129.82
  5. Step 5: Solve for x
    x = 24,604,372,129.82/155,429.10
  6. Step 6: Final answer
    x = 158,299.65

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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.