Home / 108,526.31-162,592.63-80,133.58

Finding the Fourth Proportional to 108,526.31, 162,592.63 and 80,133.58

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Solution

The fourth proportional to 108,526.31, 162,592.63 and 80,133.58 is: 120,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,526.31 : 162,592.63 = 80,133.58 : x
  2. Step 2: Convert to fraction form
    108,526.31/162,592.63 = 80,133.58/x
  3. Step 3: Cross multiply
    108,526.31x = 162,592.63 × 80,133.58
  4. Step 4: Simplify right side
    108,526.31x = 13,029,128,916.70
  5. Step 5: Solve for x
    x = 13,029,128,916.70/108,526.31
  6. Step 6: Final answer
    x = 120,055.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.