Home / 127,384.36-191,128.41-64,222.65

Finding the Fourth Proportional to 127,384.36, 191,128.41 and 64,222.65

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Solution

The fourth proportional to 127,384.36, 191,128.41 and 64,222.65 is: 96,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,384.36 : 191,128.41 = 64,222.65 : x
  2. Step 2: Convert to fraction form
    127,384.36/191,128.41 = 64,222.65/x
  3. Step 3: Cross multiply
    127,384.36x = 191,128.41 × 64,222.65
  4. Step 4: Simplify right side
    127,384.36x = 12,274,772,980.49
  5. Step 5: Solve for x
    x = 12,274,772,980.49/127,384.36
  6. Step 6: Final answer
    x = 96,360.13

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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.