Home / 140,212.50-210,319.20-35,031.48

Finding the Fourth Proportional to 140,212.50, 210,319.20 and 35,031.48

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Solution

The fourth proportional to 140,212.50, 210,319.20 and 35,031.48 is: 52,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,212.50 : 210,319.20 = 35,031.48 : x
  2. Step 2: Convert to fraction form
    140,212.50/210,319.20 = 35,031.48/x
  3. Step 3: Cross multiply
    140,212.50x = 210,319.20 × 35,031.48
  4. Step 4: Simplify right side
    140,212.50x = 7,367,792,848.42
  5. Step 5: Solve for x
    x = 7,367,792,848.42/140,212.50
  6. Step 6: Final answer
    x = 52,547.33

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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.