Home / 152,168.10-228,252.15-52,319.40

Finding the Fourth Proportional to 152,168.10, 228,252.15 and 52,319.40

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Solution

The fourth proportional to 152,168.10, 228,252.15 and 52,319.40 is: 78,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,168.10 : 228,252.15 = 52,319.40 : x
  2. Step 2: Convert to fraction form
    152,168.10/228,252.15 = 52,319.40/x
  3. Step 3: Cross multiply
    152,168.10x = 228,252.15 × 52,319.40
  4. Step 4: Simplify right side
    152,168.10x = 11,942,015,536.71
  5. Step 5: Solve for x
    x = 11,942,015,536.71/152,168.10
  6. Step 6: Final answer
    x = 78,479.10

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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.