Home / 132,148.35-182,364.81-71,718.98

Finding the Fourth Proportional to 132,148.35, 182,364.81 and 71,718.98

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Solution

The fourth proportional to 132,148.35, 182,364.81 and 71,718.98 is: 98,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,148.35 : 182,364.81 = 71,718.98 : x
  2. Step 2: Convert to fraction form
    132,148.35/182,364.81 = 71,718.98/x
  3. Step 3: Cross multiply
    132,148.35x = 182,364.81 × 71,718.98
  4. Step 4: Simplify right side
    132,148.35x = 13,079,018,161.09
  5. Step 5: Solve for x
    x = 13,079,018,161.09/132,148.35
  6. Step 6: Final answer
    x = 98,972.24

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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.