Home / 152,319.60-228,302.76-90,042.48

Finding the Fourth Proportional to 152,319.60, 228,302.76 and 90,042.48

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Solution

The fourth proportional to 152,319.60, 228,302.76 and 90,042.48 is: 134,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319.60 : 228,302.76 = 90,042.48 : x
  2. Step 2: Convert to fraction form
    152,319.60/228,302.76 = 90,042.48/x
  3. Step 3: Cross multiply
    152,319.60x = 228,302.76 × 90,042.48
  4. Step 4: Simplify right side
    152,319.60x = 20,556,946,701.24
  5. Step 5: Solve for x
    x = 20,556,946,701.24/152,319.60
  6. Step 6: Final answer
    x = 134,959.30

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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.