Home / 127,818.63-176,397.41-70,457.87

Finding the Fourth Proportional to 127,818.63, 176,397.41 and 70,457.87

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Solution

The fourth proportional to 127,818.63, 176,397.41 and 70,457.87 is: 97,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,818.63 : 176,397.41 = 70,457.87 : x
  2. Step 2: Convert to fraction form
    127,818.63/176,397.41 = 70,457.87/x
  3. Step 3: Cross multiply
    127,818.63x = 176,397.41 × 70,457.87
  4. Step 4: Simplify right side
    127,818.63x = 12,428,586,399.25
  5. Step 5: Solve for x
    x = 12,428,586,399.25/127,818.63
  6. Step 6: Final answer
    x = 97,236.11

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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.