Home / 132,847.05-183,328.41-72,417.51

Finding the Fourth Proportional to 132,847.05, 183,328.41 and 72,417.51

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Solution

The fourth proportional to 132,847.05, 183,328.41 and 72,417.51 is: 99,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,847.05 : 183,328.41 = 72,417.51 : x
  2. Step 2: Convert to fraction form
    132,847.05/183,328.41 = 72,417.51/x
  3. Step 3: Cross multiply
    132,847.05x = 183,328.41 × 72,417.51
  4. Step 4: Simplify right side
    132,847.05x = 13,276,187,236.02
  5. Step 5: Solve for x
    x = 13,276,187,236.02/132,847.05
  6. Step 6: Final answer
    x = 99,935.88

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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.