Home / 152,330.40-228,495.60-136,000.80

Finding the Fourth Proportional to 152,330.40, 228,495.60 and 136,000.80

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Solution

The fourth proportional to 152,330.40, 228,495.60 and 136,000.80 is: 204,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,330.40 : 228,495.60 = 136,000.80 : x
  2. Step 2: Convert to fraction form
    152,330.40/228,495.60 = 136,000.80/x
  3. Step 3: Cross multiply
    152,330.40x = 228,495.60 × 136,000.80
  4. Step 4: Simplify right side
    152,330.40x = 31,075,584,396.48
  5. Step 5: Solve for x
    x = 31,075,584,396.48/152,330.40
  6. Step 6: Final answer
    x = 204,001.20

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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.