Home / 117,070.20-175,605.75-28,323.56

Finding the Fourth Proportional to 117,070.20, 175,605.75 and 28,323.56

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Solution

The fourth proportional to 117,070.20, 175,605.75 and 28,323.56 is: 42,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,070.20 : 175,605.75 = 28,323.56 : x
  2. Step 2: Convert to fraction form
    117,070.20/175,605.75 = 28,323.56/x
  3. Step 3: Cross multiply
    117,070.20x = 175,605.75 × 28,323.56
  4. Step 4: Simplify right side
    117,070.20x = 4,973,779,996.47
  5. Step 5: Solve for x
    x = 4,973,779,996.47/117,070.20
  6. Step 6: Final answer
    x = 42,485.45

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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.