Home / 208,377.01-287,562.25-112,885.75

Finding the Fourth Proportional to 208,377.01, 287,562.25 and 112,885.75

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Solution

The fourth proportional to 208,377.01, 287,562.25 and 112,885.75 is: 155,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,377.01 : 287,562.25 = 112,885.75 : x
  2. Step 2: Convert to fraction form
    208,377.01/287,562.25 = 112,885.75/x
  3. Step 3: Cross multiply
    208,377.01x = 287,562.25 × 112,885.75
  4. Step 4: Simplify right side
    208,377.01x = 32,461,680,763.50
  5. Step 5: Solve for x
    x = 32,461,680,763.50/208,377.01
  6. Step 6: Final answer
    x = 155,783.41

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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.