Home / 127,334.08-191,020.90-38,566.45

Finding the Fourth Proportional to 127,334.08, 191,020.90 and 38,566.45

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Solution

The fourth proportional to 127,334.08, 191,020.90 and 38,566.45 is: 57,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,334.08 : 191,020.90 = 38,566.45 : x
  2. Step 2: Convert to fraction form
    127,334.08/191,020.90 = 38,566.45/x
  3. Step 3: Cross multiply
    127,334.08x = 191,020.90 × 38,566.45
  4. Step 4: Simplify right side
    127,334.08x = 7,366,997,988.81
  5. Step 5: Solve for x
    x = 7,366,997,988.81/127,334.08
  6. Step 6: Final answer
    x = 57,855.67

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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.