Home / 127,303.11-175,678.38-69,946.11

Finding the Fourth Proportional to 127,303.11, 175,678.38 and 69,946.11

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Solution

The fourth proportional to 127,303.11, 175,678.38 and 69,946.11 is: 96,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,303.11 : 175,678.38 = 69,946.11 : x
  2. Step 2: Convert to fraction form
    127,303.11/175,678.38 = 69,946.11/x
  3. Step 3: Cross multiply
    127,303.11x = 175,678.38 × 69,946.11
  4. Step 4: Simplify right side
    127,303.11x = 12,288,019,292.10
  5. Step 5: Solve for x
    x = 12,288,019,292.10/127,303.11
  6. Step 6: Final answer
    x = 96,525.68

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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.