Home / 355,619.24-533,641.02-127,895.80

Finding the Fourth Proportional to 355,619.24, 533,641.02 and 127,895.80

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Solution

The fourth proportional to 355,619.24, 533,641.02 and 127,895.80 is: 191,920.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,619.24 : 533,641.02 = 127,895.80 : x
  2. Step 2: Convert to fraction form
    355,619.24/533,641.02 = 127,895.80/x
  3. Step 3: Cross multiply
    355,619.24x = 533,641.02 × 127,895.80
  4. Step 4: Simplify right side
    355,619.24x = 68,250,445,165.72
  5. Step 5: Solve for x
    x = 68,250,445,165.72/355,619.24
  6. Step 6: Final answer
    x = 191,920.00

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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.