Home / 208,114.02-287,166.46-126,399.76

Finding the Fourth Proportional to 208,114.02, 287,166.46 and 126,399.76

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Solution

The fourth proportional to 208,114.02, 287,166.46 and 126,399.76 is: 174,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,114.02 : 287,166.46 = 126,399.76 : x
  2. Step 2: Convert to fraction form
    208,114.02/287,166.46 = 126,399.76/x
  3. Step 3: Cross multiply
    208,114.02x = 287,166.46 × 126,399.76
  4. Step 4: Simplify right side
    208,114.02x = 36,297,771,624.05
  5. Step 5: Solve for x
    x = 36,297,771,624.05/208,114.02
  6. Step 6: Final answer
    x = 174,412.91

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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.