Home / 100,306.07-150,423.18-46,988.92

Finding the Fourth Proportional to 100,306.07, 150,423.18 and 46,988.92

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Solution

The fourth proportional to 100,306.07, 150,423.18 and 46,988.92 is: 70,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,306.07 : 150,423.18 = 46,988.92 : x
  2. Step 2: Convert to fraction form
    100,306.07/150,423.18 = 46,988.92/x
  3. Step 3: Cross multiply
    100,306.07x = 150,423.18 × 46,988.92
  4. Step 4: Simplify right side
    100,306.07x = 7,068,222,771.17
  5. Step 5: Solve for x
    x = 7,068,222,771.17/100,306.07
  6. Step 6: Final answer
    x = 70,466.55

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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.