Home / 155,490.60-233,236.98-66,669.24

Finding the Fourth Proportional to 155,490.60, 233,236.98 and 66,669.24

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Solution

The fourth proportional to 155,490.60, 233,236.98 and 66,669.24 is: 100,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,490.60 : 233,236.98 = 66,669.24 : x
  2. Step 2: Convert to fraction form
    155,490.60/233,236.98 = 66,669.24/x
  3. Step 3: Cross multiply
    155,490.60x = 233,236.98 × 66,669.24
  4. Step 4: Simplify right side
    155,490.60x = 15,549,732,196.50
  5. Step 5: Solve for x
    x = 15,549,732,196.50/155,490.60
  6. Step 6: Final answer
    x = 100,004.32

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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.