Home / 127,519.95-191,256.14-51,598.60

Finding the Fourth Proportional to 127,519.95, 191,256.14 and 51,598.60

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Solution

The fourth proportional to 127,519.95, 191,256.14 and 51,598.60 is: 77,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,519.95 : 191,256.14 = 51,598.60 : x
  2. Step 2: Convert to fraction form
    127,519.95/191,256.14 = 51,598.60/x
  3. Step 3: Cross multiply
    127,519.95x = 191,256.14 × 51,598.60
  4. Step 4: Simplify right side
    127,519.95x = 9,868,548,426.02
  5. Step 5: Solve for x
    x = 9,868,548,426.02/127,519.95
  6. Step 6: Final answer
    x = 77,388.27

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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.