Home / 136,717.40-205,075.50-36,887.74

Finding the Fourth Proportional to 136,717.40, 205,075.50 and 36,887.74

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Solution

The fourth proportional to 136,717.40, 205,075.50 and 36,887.74 is: 55,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,717.40 : 205,075.50 = 36,887.74 : x
  2. Step 2: Convert to fraction form
    136,717.40/205,075.50 = 36,887.74/x
  3. Step 3: Cross multiply
    136,717.40x = 205,075.50 × 36,887.74
  4. Step 4: Simplify right side
    136,717.40x = 7,564,771,073.35
  5. Step 5: Solve for x
    x = 7,564,771,073.35/136,717.40
  6. Step 6: Final answer
    x = 55,331.44

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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.