Home / 132,637.52-183,052.68-99,045.20

Finding the Fourth Proportional to 132,637.52, 183,052.68 and 99,045.20

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Solution

The fourth proportional to 132,637.52, 183,052.68 and 99,045.20 is: 136,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,637.52 : 183,052.68 = 99,045.20 : x
  2. Step 2: Convert to fraction form
    132,637.52/183,052.68 = 99,045.20/x
  3. Step 3: Cross multiply
    132,637.52x = 183,052.68 × 99,045.20
  4. Step 4: Simplify right side
    132,637.52x = 18,130,489,301.14
  5. Step 5: Solve for x
    x = 18,130,489,301.14/132,637.52
  6. Step 6: Final answer
    x = 136,692.01

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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.