Home / 127,439.08-191,197.50-65,153.32

Finding the Fourth Proportional to 127,439.08, 191,197.50 and 65,153.32

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Solution

The fourth proportional to 127,439.08, 191,197.50 and 65,153.32 is: 97,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,439.08 : 191,197.50 = 65,153.32 : x
  2. Step 2: Convert to fraction form
    127,439.08/191,197.50 = 65,153.32/x
  3. Step 3: Cross multiply
    127,439.08x = 191,197.50 × 65,153.32
  4. Step 4: Simplify right side
    127,439.08x = 12,457,151,900.70
  5. Step 5: Solve for x
    x = 12,457,151,900.70/127,439.08
  6. Step 6: Final answer
    x = 97,749.86

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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.