Home / 176,721.80-265,082.70-163,891.40

Finding the Fourth Proportional to 176,721.80, 265,082.70 and 163,891.40

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Solution

The fourth proportional to 176,721.80, 265,082.70 and 163,891.40 is: 245,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,721.80 : 265,082.70 = 163,891.40 : x
  2. Step 2: Convert to fraction form
    176,721.80/265,082.70 = 163,891.40/x
  3. Step 3: Cross multiply
    176,721.80x = 265,082.70 × 163,891.40
  4. Step 4: Simplify right side
    176,721.80x = 43,444,774,818.78
  5. Step 5: Solve for x
    x = 43,444,774,818.78/176,721.80
  6. Step 6: Final answer
    x = 245,837.10

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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.