Home / 170,866.20-256,303.36-52,538.62

Finding the Fourth Proportional to 170,866.20, 256,303.36 and 52,538.62

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Solution

The fourth proportional to 170,866.20, 256,303.36 and 52,538.62 is: 78,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,866.20 : 256,303.36 = 52,538.62 : x
  2. Step 2: Convert to fraction form
    170,866.20/256,303.36 = 52,538.62/x
  3. Step 3: Cross multiply
    170,866.20x = 256,303.36 × 52,538.62
  4. Step 4: Simplify right side
    170,866.20x = 13,465,824,835.76
  5. Step 5: Solve for x
    x = 13,465,824,835.76/170,866.20
  6. Step 6: Final answer
    x = 78,809.18

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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.