Home / 127,916.56-176,526-70,558.10

Finding the Fourth Proportional to 127,916.56, 176,526 and 70,558.10

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Solution

The fourth proportional to 127,916.56, 176,526 and 70,558.10 is: 97,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916.56 : 176,526 = 70,558.10 : x
  2. Step 2: Convert to fraction form
    127,916.56/176,526 = 70,558.10/x
  3. Step 3: Cross multiply
    127,916.56x = 176,526 × 70,558.10
  4. Step 4: Simplify right side
    127,916.56x = 12,455,339,160.60
  5. Step 5: Solve for x
    x = 12,455,339,160.60/127,916.56
  6. Step 6: Final answer
    x = 97,370.81

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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.