Home / 104,148.99-143,725.38-56,402.19

Finding the Fourth Proportional to 104,148.99, 143,725.38 and 56,402.19

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Solution

The fourth proportional to 104,148.99, 143,725.38 and 56,402.19 is: 77,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,148.99 : 143,725.38 = 56,402.19 : x
  2. Step 2: Convert to fraction form
    104,148.99/143,725.38 = 56,402.19/x
  3. Step 3: Cross multiply
    104,148.99x = 143,725.38 × 56,402.19
  4. Step 4: Simplify right side
    104,148.99x = 8,106,426,190.58
  5. Step 5: Solve for x
    x = 8,106,426,190.58/104,148.99
  6. Step 6: Final answer
    x = 77,834.90

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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.