Home / 127,673.16-176,181.99-70,301.28

Finding the Fourth Proportional to 127,673.16, 176,181.99 and 70,301.28

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Solution

The fourth proportional to 127,673.16, 176,181.99 and 70,301.28 is: 97,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,673.16 : 176,181.99 = 70,301.28 : x
  2. Step 2: Convert to fraction form
    127,673.16/176,181.99 = 70,301.28/x
  3. Step 3: Cross multiply
    127,673.16x = 176,181.99 × 70,301.28
  4. Step 4: Simplify right side
    127,673.16x = 12,385,819,409.95
  5. Step 5: Solve for x
    x = 12,385,819,409.95/127,673.16
  6. Step 6: Final answer
    x = 97,011.93

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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.