Home / 260,303.11-390,547.14-116,195.87

Finding the Fourth Proportional to 260,303.11, 390,547.14 and 116,195.87

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Solution

The fourth proportional to 260,303.11, 390,547.14 and 116,195.87 is: 174,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,303.11 : 390,547.14 = 116,195.87 : x
  2. Step 2: Convert to fraction form
    260,303.11/390,547.14 = 116,195.87/x
  3. Step 3: Cross multiply
    260,303.11x = 390,547.14 × 116,195.87
  4. Step 4: Simplify right side
    260,303.11x = 45,379,964,708.31
  5. Step 5: Solve for x
    x = 45,379,964,708.31/260,303.11
  6. Step 6: Final answer
    x = 174,335.08

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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.