Home / 127,552.30-191,320.35-43,312.30

Finding the Fourth Proportional to 127,552.30, 191,320.35 and 43,312.30

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Solution

The fourth proportional to 127,552.30, 191,320.35 and 43,312.30 is: 64,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,552.30 : 191,320.35 = 43,312.30 : x
  2. Step 2: Convert to fraction form
    127,552.30/191,320.35 = 43,312.30/x
  3. Step 3: Cross multiply
    127,552.30x = 191,320.35 × 43,312.30
  4. Step 4: Simplify right side
    127,552.30x = 8,286,524,395.31
  5. Step 5: Solve for x
    x = 8,286,524,395.31/127,552.30
  6. Step 6: Final answer
    x = 64,965.70

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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.