Home / 104,425.16-144,106.82-56,678.52

Finding the Fourth Proportional to 104,425.16, 144,106.82 and 56,678.52

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Solution

The fourth proportional to 104,425.16, 144,106.82 and 56,678.52 is: 78,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.16 : 144,106.82 = 56,678.52 : x
  2. Step 2: Convert to fraction form
    104,425.16/144,106.82 = 56,678.52/x
  3. Step 3: Cross multiply
    104,425.16x = 144,106.82 × 56,678.52
  4. Step 4: Simplify right side
    104,425.16x = 8,167,761,279.51
  5. Step 5: Solve for x
    x = 8,167,761,279.51/104,425.16
  6. Step 6: Final answer
    x = 78,216.41

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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.