Home / 155,962.70-233,790.45-77,089.10

Finding the Fourth Proportional to 155,962.70, 233,790.45 and 77,089.10

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Solution

The fourth proportional to 155,962.70, 233,790.45 and 77,089.10 is: 115,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,962.70 : 233,790.45 = 77,089.10 : x
  2. Step 2: Convert to fraction form
    155,962.70/233,790.45 = 77,089.10/x
  3. Step 3: Cross multiply
    155,962.70x = 233,790.45 × 77,089.10
  4. Step 4: Simplify right side
    155,962.70x = 18,022,695,379.10
  5. Step 5: Solve for x
    x = 18,022,695,379.10/155,962.70
  6. Step 6: Final answer
    x = 115,557.73

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1.5x scale

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.