Home / 127,917.43-176,526.74-70,558.76

Finding the Fourth Proportional to 127,917.43, 176,526.74 and 70,558.76

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Solution

The fourth proportional to 127,917.43, 176,526.74 and 70,558.76 is: 97,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,917.43 : 176,526.74 = 70,558.76 : x
  2. Step 2: Convert to fraction form
    127,917.43/176,526.74 = 70,558.76/x
  3. Step 3: Cross multiply
    127,917.43x = 176,526.74 × 70,558.76
  4. Step 4: Simplify right side
    127,917.43x = 12,455,508,498.96
  5. Step 5: Solve for x
    x = 12,455,508,498.96/127,917.43
  6. Step 6: Final answer
    x = 97,371.47

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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.