Home / 127,657.17-191,430.33-43,394.67

Finding the Fourth Proportional to 127,657.17, 191,430.33 and 43,394.67

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Solution

The fourth proportional to 127,657.17, 191,430.33 and 43,394.67 is: 65,073.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,657.17 : 191,430.33 = 43,394.67 : x
  2. Step 2: Convert to fraction form
    127,657.17/191,430.33 = 43,394.67/x
  3. Step 3: Cross multiply
    127,657.17x = 191,430.33 × 43,394.67
  4. Step 4: Simplify right side
    127,657.17x = 8,307,055,998.34
  5. Step 5: Solve for x
    x = 8,307,055,998.34/127,657.17
  6. Step 6: Final answer
    x = 65,073.16

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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.