Home / 112,973.80-169,460.70-28,733.80

Finding the Fourth Proportional to 112,973.80, 169,460.70 and 28,733.80

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Solution

The fourth proportional to 112,973.80, 169,460.70 and 28,733.80 is: 43,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,973.80 : 169,460.70 = 28,733.80 : x
  2. Step 2: Convert to fraction form
    112,973.80/169,460.70 = 28,733.80/x
  3. Step 3: Cross multiply
    112,973.80x = 169,460.70 × 28,733.80
  4. Step 4: Simplify right side
    112,973.80x = 4,869,249,861.66
  5. Step 5: Solve for x
    x = 4,869,249,861.66/112,973.80
  6. Step 6: Final answer
    x = 43,100.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.