Home / 177,616.13-245,110.25-102,164.63

Finding the Fourth Proportional to 177,616.13, 245,110.25 and 102,164.63

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Solution

The fourth proportional to 177,616.13, 245,110.25 and 102,164.63 is: 140,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,616.13 : 245,110.25 = 102,164.63 : x
  2. Step 2: Convert to fraction form
    177,616.13/245,110.25 = 102,164.63/x
  3. Step 3: Cross multiply
    177,616.13x = 245,110.25 × 102,164.63
  4. Step 4: Simplify right side
    177,616.13x = 25,041,597,030.32
  5. Step 5: Solve for x
    x = 25,041,597,030.32/177,616.13
  6. Step 6: Final answer
    x = 140,987.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.