Home / 132,630.75-183,048.96-84,985.61

Finding the Fourth Proportional to 132,630.75, 183,048.96 and 84,985.61

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Solution

The fourth proportional to 132,630.75, 183,048.96 and 84,985.61 is: 117,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,630.75 : 183,048.96 = 84,985.61 : x
  2. Step 2: Convert to fraction form
    132,630.75/183,048.96 = 84,985.61/x
  3. Step 3: Cross multiply
    132,630.75x = 183,048.96 × 84,985.61
  4. Step 4: Simplify right side
    132,630.75x = 15,556,526,928.92
  5. Step 5: Solve for x
    x = 15,556,526,928.92/132,630.75
  6. Step 6: Final answer
    x = 117,292.01

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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.