Home / 104,426.90-144,109.30-56,680.26

Finding the Fourth Proportional to 104,426.90, 144,109.30 and 56,680.26

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Solution

The fourth proportional to 104,426.90, 144,109.30 and 56,680.26 is: 78,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.90 : 144,109.30 = 56,680.26 : x
  2. Step 2: Convert to fraction form
    104,426.90/144,109.30 = 56,680.26/x
  3. Step 3: Cross multiply
    104,426.90x = 144,109.30 × 56,680.26
  4. Step 4: Simplify right side
    104,426.90x = 8,168,152,592.42
  5. Step 5: Solve for x
    x = 8,168,152,592.42/104,426.90
  6. Step 6: Final answer
    x = 78,218.86

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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.