Home / 136,742.32-205,205.22-47,996.10

Finding the Fourth Proportional to 136,742.32, 205,205.22 and 47,996.10

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Solution

The fourth proportional to 136,742.32, 205,205.22 and 47,996.10 is: 72,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,742.32 : 205,205.22 = 47,996.10 : x
  2. Step 2: Convert to fraction form
    136,742.32/205,205.22 = 47,996.10/x
  3. Step 3: Cross multiply
    136,742.32x = 205,205.22 × 47,996.10
  4. Step 4: Simplify right side
    136,742.32x = 9,849,050,259.64
  5. Step 5: Solve for x
    x = 9,849,050,259.64/136,742.32
  6. Step 6: Final answer
    x = 72,026.35

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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.