Home / 170,799.20-255,615.60-156,802.40

Finding the Fourth Proportional to 170,799.20, 255,615.60 and 156,802.40

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Solution

The fourth proportional to 170,799.20, 255,615.60 and 156,802.40 is: 234,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,799.20 : 255,615.60 = 156,802.40 : x
  2. Step 2: Convert to fraction form
    170,799.20/255,615.60 = 156,802.40/x
  3. Step 3: Cross multiply
    170,799.20x = 255,615.60 × 156,802.40
  4. Step 4: Simplify right side
    170,799.20x = 40,081,139,557.44
  5. Step 5: Solve for x
    x = 40,081,139,557.44/170,799.20
  6. Step 6: Final answer
    x = 234,668.19

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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.