Home / 358,533.03-494,756.80-197,356.60

Finding the Fourth Proportional to 358,533.03, 494,756.80 and 197,356.60

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Solution

The fourth proportional to 358,533.03, 494,756.80 and 197,356.60 is: 272,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,533.03 : 494,756.80 = 197,356.60 : x
  2. Step 2: Convert to fraction form
    358,533.03/494,756.80 = 197,356.60/x
  3. Step 3: Cross multiply
    358,533.03x = 494,756.80 × 197,356.60
  4. Step 4: Simplify right side
    358,533.03x = 97,643,520,182.40
  5. Step 5: Solve for x
    x = 97,643,520,182.40/358,533.03
  6. Step 6: Final answer
    x = 272,341.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.