Home / 176,719.80-265,079.70-163,889.40

Finding the Fourth Proportional to 176,719.80, 265,079.70 and 163,889.40

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Solution

The fourth proportional to 176,719.80, 265,079.70 and 163,889.40 is: 245,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,719.80 : 265,079.70 = 163,889.40 : x
  2. Step 2: Convert to fraction form
    176,719.80/265,079.70 = 163,889.40/x
  3. Step 3: Cross multiply
    176,719.80x = 265,079.70 × 163,889.40
  4. Step 4: Simplify right side
    176,719.80x = 43,443,752,985.18
  5. Step 5: Solve for x
    x = 43,443,752,985.18/176,719.80
  6. Step 6: Final answer
    x = 245,834.10

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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.