Home / 179,031.40-268,547.10-109,047.40

Finding the Fourth Proportional to 179,031.40, 268,547.10 and 109,047.40

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Solution

The fourth proportional to 179,031.40, 268,547.10 and 109,047.40 is: 163,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,031.40 : 268,547.10 = 109,047.40 : x
  2. Step 2: Convert to fraction form
    179,031.40/268,547.10 = 109,047.40/x
  3. Step 3: Cross multiply
    179,031.40x = 268,547.10 × 109,047.40
  4. Step 4: Simplify right side
    179,031.40x = 29,284,363,032.54
  5. Step 5: Solve for x
    x = 29,284,363,032.54/179,031.40
  6. Step 6: Final answer
    x = 163,571.10

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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.