Home / 132,005.12-198,026.56-40,827.55

Finding the Fourth Proportional to 132,005.12, 198,026.56 and 40,827.55

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Solution

The fourth proportional to 132,005.12, 198,026.56 and 40,827.55 is: 61,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,005.12 : 198,026.56 = 40,827.55 : x
  2. Step 2: Convert to fraction form
    132,005.12/198,026.56 = 40,827.55/x
  3. Step 3: Cross multiply
    132,005.12x = 198,026.56 × 40,827.55
  4. Step 4: Simplify right side
    132,005.12x = 8,084,939,075.59
  5. Step 5: Solve for x
    x = 8,084,939,075.59/132,005.12
  6. Step 6: Final answer
    x = 61,247.16

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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.