Home / 151,830.30-227,745.45-128,210.70

Finding the Fourth Proportional to 151,830.30, 227,745.45 and 128,210.70

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Solution

The fourth proportional to 151,830.30, 227,745.45 and 128,210.70 is: 192,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,830.30 : 227,745.45 = 128,210.70 : x
  2. Step 2: Convert to fraction form
    151,830.30/227,745.45 = 128,210.70/x
  3. Step 3: Cross multiply
    151,830.30x = 227,745.45 × 128,210.70
  4. Step 4: Simplify right side
    151,830.30x = 29,199,403,566.32
  5. Step 5: Solve for x
    x = 29,199,403,566.32/151,830.30
  6. Step 6: Final answer
    x = 192,316.05

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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.