Home / 179,445.40-268,649.70-109,461.40

Finding the Fourth Proportional to 179,445.40, 268,649.70 and 109,461.40

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Solution

The fourth proportional to 179,445.40, 268,649.70 and 109,461.40 is: 163,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,445.40 : 268,649.70 = 109,461.40 : x
  2. Step 2: Convert to fraction form
    179,445.40/268,649.70 = 109,461.40/x
  3. Step 3: Cross multiply
    179,445.40x = 268,649.70 × 109,461.40
  4. Step 4: Simplify right side
    179,445.40x = 29,406,772,271.58
  5. Step 5: Solve for x
    x = 29,406,772,271.58/179,445.40
  6. Step 6: Final answer
    x = 163,875.88

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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.