Home / 136,368.93-188,157.42-82,642.17

Finding the Fourth Proportional to 136,368.93, 188,157.42 and 82,642.17

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Solution

The fourth proportional to 136,368.93, 188,157.42 and 82,642.17 is: 114,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,368.93 : 188,157.42 = 82,642.17 : x
  2. Step 2: Convert to fraction form
    136,368.93/188,157.42 = 82,642.17/x
  3. Step 3: Cross multiply
    136,368.93x = 188,157.42 × 82,642.17
  4. Step 4: Simplify right side
    136,368.93x = 15,549,737,490.40
  5. Step 5: Solve for x
    x = 15,549,737,490.40/136,368.93
  6. Step 6: Final answer
    x = 114,026.98

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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.