Home / 127,000.29-190,614.65-67,886.49

Finding the Fourth Proportional to 127,000.29, 190,614.65 and 67,886.49

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Solution

The fourth proportional to 127,000.29, 190,614.65 and 67,886.49 is: 101,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,000.29 : 190,614.65 = 67,886.49 : x
  2. Step 2: Convert to fraction form
    127,000.29/190,614.65 = 67,886.49/x
  3. Step 3: Cross multiply
    127,000.29x = 190,614.65 × 67,886.49
  4. Step 4: Simplify right side
    127,000.29x = 12,940,159,531.08
  5. Step 5: Solve for x
    x = 12,940,159,531.08/127,000.29
  6. Step 6: Final answer
    x = 101,890.79

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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.