Home / 349,623.80-524,435.70-128,094.20

Finding the Fourth Proportional to 349,623.80, 524,435.70 and 128,094.20

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Solution

The fourth proportional to 349,623.80, 524,435.70 and 128,094.20 is: 192,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,623.80 : 524,435.70 = 128,094.20 : x
  2. Step 2: Convert to fraction form
    349,623.80/524,435.70 = 128,094.20/x
  3. Step 3: Cross multiply
    349,623.80x = 524,435.70 × 128,094.20
  4. Step 4: Simplify right side
    349,623.80x = 67,177,171,442.94
  5. Step 5: Solve for x
    x = 67,177,171,442.94/349,623.80
  6. Step 6: Final answer
    x = 192,141.30

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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.