Home / 127,125.84-190,646.90-42,863.24

Finding the Fourth Proportional to 127,125.84, 190,646.90 and 42,863.24

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Solution

The fourth proportional to 127,125.84, 190,646.90 and 42,863.24 is: 64,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,125.84 : 190,646.90 = 42,863.24 : x
  2. Step 2: Convert to fraction form
    127,125.84/190,646.90 = 42,863.24/x
  3. Step 3: Cross multiply
    127,125.84x = 190,646.90 × 42,863.24
  4. Step 4: Simplify right side
    127,125.84x = 8,171,743,829.96
  5. Step 5: Solve for x
    x = 8,171,743,829.96/127,125.84
  6. Step 6: Final answer
    x = 64,280.75

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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.