Home / 127,611.81-191,417.72-34,115.13

Finding the Fourth Proportional to 127,611.81, 191,417.72 and 34,115.13

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Solution

The fourth proportional to 127,611.81, 191,417.72 and 34,115.13 is: 51,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,611.81 : 191,417.72 = 34,115.13 : x
  2. Step 2: Convert to fraction form
    127,611.81/191,417.72 = 34,115.13/x
  3. Step 3: Cross multiply
    127,611.81x = 191,417.72 × 34,115.13
  4. Step 4: Simplify right side
    127,611.81x = 6,530,240,402.10
  5. Step 5: Solve for x
    x = 6,530,240,402.10/127,611.81
  6. Step 6: Final answer
    x = 51,172.70

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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.