Home / 132,832.77-183,303.90-72,402.12

Finding the Fourth Proportional to 132,832.77, 183,303.90 and 72,402.12

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Solution

The fourth proportional to 132,832.77, 183,303.90 and 72,402.12 is: 99,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,832.77 : 183,303.90 = 72,402.12 : x
  2. Step 2: Convert to fraction form
    132,832.77/183,303.90 = 72,402.12/x
  3. Step 3: Cross multiply
    132,832.77x = 183,303.90 × 72,402.12
  4. Step 4: Simplify right side
    132,832.77x = 13,271,590,964.27
  5. Step 5: Solve for x
    x = 13,271,590,964.27/132,832.77
  6. Step 6: Final answer
    x = 99,912.02

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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.