Home / 127,916.84-176,523.83-70,558.58

Finding the Fourth Proportional to 127,916.84, 176,523.83 and 70,558.58

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Solution

The fourth proportional to 127,916.84, 176,523.83 and 70,558.58 is: 97,370.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916.84 : 176,523.83 = 70,558.58 : x
  2. Step 2: Convert to fraction form
    127,916.84/176,523.83 = 70,558.58/x
  3. Step 3: Cross multiply
    127,916.84x = 176,523.83 × 70,558.58
  4. Step 4: Simplify right side
    127,916.84x = 12,455,270,472.11
  5. Step 5: Solve for x
    x = 12,455,270,472.11/127,916.84
  6. Step 6: Final answer
    x = 97,370.06

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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.