Home / 131,873.04-197,816.40-38,386.08

Finding the Fourth Proportional to 131,873.04, 197,816.40 and 38,386.08

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Solution

The fourth proportional to 131,873.04, 197,816.40 and 38,386.08 is: 57,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,873.04 : 197,816.40 = 38,386.08 : x
  2. Step 2: Convert to fraction form
    131,873.04/197,816.40 = 38,386.08/x
  3. Step 3: Cross multiply
    131,873.04x = 197,816.40 × 38,386.08
  4. Step 4: Simplify right side
    131,873.04x = 7,593,396,155.71
  5. Step 5: Solve for x
    x = 7,593,396,155.71/131,873.04
  6. Step 6: Final answer
    x = 57,581.11

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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.