Home / 492,025.90-738,038.85-137,094.70

Finding the Fourth Proportional to 492,025.90, 738,038.85 and 137,094.70

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Solution

The fourth proportional to 492,025.90, 738,038.85 and 137,094.70 is: 205,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,025.90 : 738,038.85 = 137,094.70 : x
  2. Step 2: Convert to fraction form
    492,025.90/738,038.85 = 137,094.70/x
  3. Step 3: Cross multiply
    492,025.90x = 738,038.85 × 137,094.70
  4. Step 4: Simplify right side
    492,025.90x = 101,181,214,729.10
  5. Step 5: Solve for x
    x = 101,181,214,729.10/492,025.90
  6. Step 6: Final answer
    x = 205,642.05

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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.