Home / 104,490.20-144,196.02-56,743.16

Finding the Fourth Proportional to 104,490.20, 144,196.02 and 56,743.16

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Solution

The fourth proportional to 104,490.20, 144,196.02 and 56,743.16 is: 78,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,490.20 : 144,196.02 = 56,743.16 : x
  2. Step 2: Convert to fraction form
    104,490.20/144,196.02 = 56,743.16/x
  3. Step 3: Cross multiply
    104,490.20x = 144,196.02 × 56,743.16
  4. Step 4: Simplify right side
    104,490.20x = 8,182,137,834.22
  5. Step 5: Solve for x
    x = 8,182,137,834.22/104,490.20
  6. Step 6: Final answer
    x = 78,305.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.