Home / 127,459.08-191,192.28-43,219.50

Finding the Fourth Proportional to 127,459.08, 191,192.28 and 43,219.50

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Solution

The fourth proportional to 127,459.08, 191,192.28 and 43,219.50 is: 64,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,459.08 : 191,192.28 = 43,219.50 : x
  2. Step 2: Convert to fraction form
    127,459.08/191,192.28 = 43,219.50/x
  3. Step 3: Cross multiply
    127,459.08x = 191,192.28 × 43,219.50
  4. Step 4: Simplify right side
    127,459.08x = 8,263,234,745.46
  5. Step 5: Solve for x
    x = 8,263,234,745.46/127,459.08
  6. Step 6: Final answer
    x = 64,830.49

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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.