Home / 127,995.30-191,715.90-92,857.50

Finding the Fourth Proportional to 127,995.30, 191,715.90 and 92,857.50

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Solution

The fourth proportional to 127,995.30, 191,715.90 and 92,857.50 is: 139,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,995.30 : 191,715.90 = 92,857.50 : x
  2. Step 2: Convert to fraction form
    127,995.30/191,715.90 = 92,857.50/x
  3. Step 3: Cross multiply
    127,995.30x = 191,715.90 × 92,857.50
  4. Step 4: Simplify right side
    127,995.30x = 17,802,259,184.25
  5. Step 5: Solve for x
    x = 17,802,259,184.25/127,995.30
  6. Step 6: Final answer
    x = 139,085.26

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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.