Home / 177,621.57-245,316.42-137,818.17

Finding the Fourth Proportional to 177,621.57, 245,316.42 and 137,818.17

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Solution

The fourth proportional to 177,621.57, 245,316.42 and 137,818.17 is: 190,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,621.57 : 245,316.42 = 137,818.17 : x
  2. Step 2: Convert to fraction form
    177,621.57/245,316.42 = 137,818.17/x
  3. Step 3: Cross multiply
    177,621.57x = 245,316.42 × 137,818.17
  4. Step 4: Simplify right side
    177,621.57x = 33,809,060,075.35
  5. Step 5: Solve for x
    x = 33,809,060,075.35/177,621.57
  6. Step 6: Final answer
    x = 190,343.21

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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.