Home / 112,973.40-169,460.10-42,843.60

Finding the Fourth Proportional to 112,973.40, 169,460.10 and 42,843.60

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Solution

The fourth proportional to 112,973.40, 169,460.10 and 42,843.60 is: 64,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,973.40 : 169,460.10 = 42,843.60 : x
  2. Step 2: Convert to fraction form
    112,973.40/169,460.10 = 42,843.60/x
  3. Step 3: Cross multiply
    112,973.40x = 169,460.10 × 42,843.60
  4. Step 4: Simplify right side
    112,973.40x = 7,260,280,740.36
  5. Step 5: Solve for x
    x = 7,260,280,740.36/112,973.40
  6. Step 6: Final answer
    x = 64,265.40

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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.