Home / 253,080.04-379,543.37-133,072.32

Finding the Fourth Proportional to 253,080.04, 379,543.37 and 133,072.32

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Solution

The fourth proportional to 253,080.04, 379,543.37 and 133,072.32 is: 199,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,080.04 : 379,543.37 = 133,072.32 : x
  2. Step 2: Convert to fraction form
    253,080.04/379,543.37 = 133,072.32/x
  3. Step 3: Cross multiply
    253,080.04x = 379,543.37 × 133,072.32
  4. Step 4: Simplify right side
    253,080.04x = 50,506,717,119.20
  5. Step 5: Solve for x
    x = 50,506,717,119.20/253,080.04
  6. Step 6: Final answer
    x = 199,568.16

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1.5x scale

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.