Home / 208,594.04-287,778.34-136,082.18

Finding the Fourth Proportional to 208,594.04, 287,778.34 and 136,082.18

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Solution

The fourth proportional to 208,594.04, 287,778.34 and 136,082.18 is: 187,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,594.04 : 287,778.34 = 136,082.18 : x
  2. Step 2: Convert to fraction form
    208,594.04/287,778.34 = 136,082.18/x
  3. Step 3: Cross multiply
    208,594.04x = 287,778.34 × 136,082.18
  4. Step 4: Simplify right side
    208,594.04x = 39,161,503,863.98
  5. Step 5: Solve for x
    x = 39,161,503,863.98/208,594.04
  6. Step 6: Final answer
    x = 187,740.28

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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.