Home / 112,946.40-169,486.80-42,832.80

Finding the Fourth Proportional to 112,946.40, 169,486.80 and 42,832.80

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Solution

The fourth proportional to 112,946.40, 169,486.80 and 42,832.80 is: 64,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,946.40 : 169,486.80 = 42,832.80 : x
  2. Step 2: Convert to fraction form
    112,946.40/169,486.80 = 42,832.80/x
  3. Step 3: Cross multiply
    112,946.40x = 169,486.80 × 42,832.80
  4. Step 4: Simplify right side
    112,946.40x = 7,259,594,207.04
  5. Step 5: Solve for x
    x = 7,259,594,207.04/112,946.40
  6. Step 6: Final answer
    x = 64,274.68

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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.