Home / 127,370.16-191,055-33,875.91

Finding the Fourth Proportional to 127,370.16, 191,055 and 33,875.91

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Solution

The fourth proportional to 127,370.16, 191,055 and 33,875.91 is: 50,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,370.16 : 191,055 = 33,875.91 : x
  2. Step 2: Convert to fraction form
    127,370.16/191,055 = 33,875.91/x
  3. Step 3: Cross multiply
    127,370.16x = 191,055 × 33,875.91
  4. Step 4: Simplify right side
    127,370.16x = 6,472,161,985.05
  5. Step 5: Solve for x
    x = 6,472,161,985.05/127,370.16
  6. Step 6: Final answer
    x = 50,813.80

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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.