Home / 104,149.49-143,726.07-56,402.69

Finding the Fourth Proportional to 104,149.49, 143,726.07 and 56,402.69

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Solution

The fourth proportional to 104,149.49, 143,726.07 and 56,402.69 is: 77,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,149.49 : 143,726.07 = 56,402.69 : x
  2. Step 2: Convert to fraction form
    104,149.49/143,726.07 = 56,402.69/x
  3. Step 3: Cross multiply
    104,149.49x = 143,726.07 × 56,402.69
  4. Step 4: Simplify right side
    104,149.49x = 8,106,536,252.50
  5. Step 5: Solve for x
    x = 8,106,536,252.50/104,149.49
  6. Step 6: Final answer
    x = 77,835.59

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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.