Home / 127,569.30-191,353.80-43,338.21

Finding the Fourth Proportional to 127,569.30, 191,353.80 and 43,338.21

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Solution

The fourth proportional to 127,569.30, 191,353.80 and 43,338.21 is: 65,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,569.30 : 191,353.80 = 43,338.21 : x
  2. Step 2: Convert to fraction form
    127,569.30/191,353.80 = 43,338.21/x
  3. Step 3: Cross multiply
    127,569.30x = 191,353.80 × 43,338.21
  4. Step 4: Simplify right side
    127,569.30x = 8,292,931,168.70
  5. Step 5: Solve for x
    x = 8,292,931,168.70/127,569.30
  6. Step 6: Final answer
    x = 65,007.26

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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.