Home / 459,261.01-688,930.40-126,837.01

Finding the Fourth Proportional to 459,261.01, 688,930.40 and 126,837.01

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Solution

The fourth proportional to 459,261.01, 688,930.40 and 126,837.01 is: 190,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,261.01 : 688,930.40 = 126,837.01 : x
  2. Step 2: Convert to fraction form
    459,261.01/688,930.40 = 126,837.01/x
  3. Step 3: Cross multiply
    459,261.01x = 688,930.40 × 126,837.01
  4. Step 4: Simplify right side
    459,261.01x = 87,381,872,034.10
  5. Step 5: Solve for x
    x = 87,381,872,034.10/459,261.01
  6. Step 6: Final answer
    x = 190,266.25

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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.