Home / 187,000.36-280,500.55-46,758.98

Finding the Fourth Proportional to 187,000.36, 280,500.55 and 46,758.98

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Solution

The fourth proportional to 187,000.36, 280,500.55 and 46,758.98 is: 70,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,000.36 : 280,500.55 = 46,758.98 : x
  2. Step 2: Convert to fraction form
    187,000.36/280,500.55 = 46,758.98/x
  3. Step 3: Cross multiply
    187,000.36x = 280,500.55 × 46,758.98
  4. Step 4: Simplify right side
    187,000.36x = 13,115,920,191.79
  5. Step 5: Solve for x
    x = 13,115,920,191.79/187,000.36
  6. Step 6: Final answer
    x = 70,138.48

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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.