Home / 127,681.44-176,231.40-73,957.76

Finding the Fourth Proportional to 127,681.44, 176,231.40 and 73,957.76

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Solution

The fourth proportional to 127,681.44, 176,231.40 and 73,957.76 is: 102,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.44 : 176,231.40 = 73,957.76 : x
  2. Step 2: Convert to fraction form
    127,681.44/176,231.40 = 73,957.76/x
  3. Step 3: Cross multiply
    127,681.44x = 176,231.40 × 73,957.76
  4. Step 4: Simplify right side
    127,681.44x = 13,033,679,585.66
  5. Step 5: Solve for x
    x = 13,033,679,585.66/127,681.44
  6. Step 6: Final answer
    x = 102,079.67

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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.