Home / 152,423.20-228,634.80-47,274.40

Finding the Fourth Proportional to 152,423.20, 228,634.80 and 47,274.40

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Solution

The fourth proportional to 152,423.20, 228,634.80 and 47,274.40 is: 70,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,423.20 : 228,634.80 = 47,274.40 : x
  2. Step 2: Convert to fraction form
    152,423.20/228,634.80 = 47,274.40/x
  3. Step 3: Cross multiply
    152,423.20x = 228,634.80 × 47,274.40
  4. Step 4: Simplify right side
    152,423.20x = 10,808,572,989.12
  5. Step 5: Solve for x
    x = 10,808,572,989.12/152,423.20
  6. Step 6: Final answer
    x = 70,911.60

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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.