Home / 179,547.20-269,323.14-86,031.08

Finding the Fourth Proportional to 179,547.20, 269,323.14 and 86,031.08

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Solution

The fourth proportional to 179,547.20, 269,323.14 and 86,031.08 is: 129,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,547.20 : 269,323.14 = 86,031.08 : x
  2. Step 2: Convert to fraction form
    179,547.20/269,323.14 = 86,031.08/x
  3. Step 3: Cross multiply
    179,547.20x = 269,323.14 × 86,031.08
  4. Step 4: Simplify right side
    179,547.20x = 23,170,160,603.19
  5. Step 5: Solve for x
    x = 23,170,160,603.19/179,547.20
  6. Step 6: Final answer
    x = 129,047.74

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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.