Home / 152,213.40-228,320.10-39,893.40

Finding the Fourth Proportional to 152,213.40, 228,320.10 and 39,893.40

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Solution

The fourth proportional to 152,213.40, 228,320.10 and 39,893.40 is: 59,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,213.40 : 228,320.10 = 39,893.40 : x
  2. Step 2: Convert to fraction form
    152,213.40/228,320.10 = 39,893.40/x
  3. Step 3: Cross multiply
    152,213.40x = 228,320.10 × 39,893.40
  4. Step 4: Simplify right side
    152,213.40x = 9,108,465,077.34
  5. Step 5: Solve for x
    x = 9,108,465,077.34/152,213.40
  6. Step 6: Final answer
    x = 59,840.10

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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.