Home / 130,468.32-195,677.76-55,574.40

Finding the Fourth Proportional to 130,468.32, 195,677.76 and 55,574.40

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Solution

The fourth proportional to 130,468.32, 195,677.76 and 55,574.40 is: 83,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,468.32 : 195,677.76 = 55,574.40 : x
  2. Step 2: Convert to fraction form
    130,468.32/195,677.76 = 55,574.40/x
  3. Step 3: Cross multiply
    130,468.32x = 195,677.76 × 55,574.40
  4. Step 4: Simplify right side
    130,468.32x = 10,874,674,105.34
  5. Step 5: Solve for x
    x = 10,874,674,105.34/130,468.32
  6. Step 6: Final answer
    x = 83,351.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.