Home / 127,688.31-176,203.07-73,237.67

Finding the Fourth Proportional to 127,688.31, 176,203.07 and 73,237.67

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Solution

The fourth proportional to 127,688.31, 176,203.07 and 73,237.67 is: 101,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,688.31 : 176,203.07 = 73,237.67 : x
  2. Step 2: Convert to fraction form
    127,688.31/176,203.07 = 73,237.67/x
  3. Step 3: Cross multiply
    127,688.31x = 176,203.07 × 73,237.67
  4. Step 4: Simplify right side
    127,688.31x = 12,904,701,046.44
  5. Step 5: Solve for x
    x = 12,904,701,046.44/127,688.31
  6. Step 6: Final answer
    x = 101,064.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.