Home / 127,145.84-175,461.62-69,785.63

Finding the Fourth Proportional to 127,145.84, 175,461.62 and 69,785.63

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Solution

The fourth proportional to 127,145.84, 175,461.62 and 69,785.63 is: 96,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,145.84 : 175,461.62 = 69,785.63 : x
  2. Step 2: Convert to fraction form
    127,145.84/175,461.62 = 69,785.63/x
  3. Step 3: Cross multiply
    127,145.84x = 175,461.62 × 69,785.63
  4. Step 4: Simplify right side
    127,145.84x = 12,244,699,692.52
  5. Step 5: Solve for x
    x = 12,244,699,692.52/127,145.84
  6. Step 6: Final answer
    x = 96,304.37

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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.