Home / 132,842.16-183,321.99-72,412.92

Finding the Fourth Proportional to 132,842.16, 183,321.99 and 72,412.92

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Solution

The fourth proportional to 132,842.16, 183,321.99 and 72,412.92 is: 99,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,842.16 : 183,321.99 = 72,412.92 : x
  2. Step 2: Convert to fraction form
    132,842.16/183,321.99 = 72,412.92/x
  3. Step 3: Cross multiply
    132,842.16x = 183,321.99 × 72,412.92
  4. Step 4: Simplify right side
    132,842.16x = 13,274,880,596.11
  5. Step 5: Solve for x
    x = 13,274,880,596.11/132,842.16
  6. Step 6: Final answer
    x = 99,929.73

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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.