Home / 132,172.01-182,394.47-71,742.77

Finding the Fourth Proportional to 132,172.01, 182,394.47 and 71,742.77

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Solution

The fourth proportional to 132,172.01, 182,394.47 and 71,742.77 is: 99,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,172.01 : 182,394.47 = 71,742.77 : x
  2. Step 2: Convert to fraction form
    132,172.01/182,394.47 = 71,742.77/x
  3. Step 3: Cross multiply
    132,172.01x = 182,394.47 × 71,742.77
  4. Step 4: Simplify right side
    132,172.01x = 13,085,484,510.48
  5. Step 5: Solve for x
    x = 13,085,484,510.48/132,172.01
  6. Step 6: Final answer
    x = 99,003.45

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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.