Home / 181,343.89-250,256.83-99,681.05

Finding the Fourth Proportional to 181,343.89, 250,256.83 and 99,681.05

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Solution

The fourth proportional to 181,343.89, 250,256.83 and 99,681.05 is: 137,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,343.89 : 250,256.83 = 99,681.05 : x
  2. Step 2: Convert to fraction form
    181,343.89/250,256.83 = 99,681.05/x
  3. Step 3: Cross multiply
    181,343.89x = 250,256.83 × 99,681.05
  4. Step 4: Simplify right side
    181,343.89x = 24,945,863,960.51
  5. Step 5: Solve for x
    x = 24,945,863,960.51/181,343.89
  6. Step 6: Final answer
    x = 137,561.10

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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.