Home / 127,657.09-191,514.06-38,917.50

Finding the Fourth Proportional to 127,657.09, 191,514.06 and 38,917.50

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Solution

The fourth proportional to 127,657.09, 191,514.06 and 38,917.50 is: 58,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,657.09 : 191,514.06 = 38,917.50 : x
  2. Step 2: Convert to fraction form
    127,657.09/191,514.06 = 38,917.50/x
  3. Step 3: Cross multiply
    127,657.09x = 191,514.06 × 38,917.50
  4. Step 4: Simplify right side
    127,657.09x = 7,453,248,430.05
  5. Step 5: Solve for x
    x = 7,453,248,430.05/127,657.09
  6. Step 6: Final answer
    x = 58,384.92

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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.