Home / 181,617.08-250,627.70-105,139.40

Finding the Fourth Proportional to 181,617.08, 250,627.70 and 105,139.40

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Solution

The fourth proportional to 181,617.08, 250,627.70 and 105,139.40 is: 145,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,617.08 : 250,627.70 = 105,139.40 : x
  2. Step 2: Convert to fraction form
    181,617.08/250,627.70 = 105,139.40/x
  3. Step 3: Cross multiply
    181,617.08x = 250,627.70 × 105,139.40
  4. Step 4: Simplify right side
    181,617.08x = 26,350,844,222.54
  5. Step 5: Solve for x
    x = 26,350,844,222.54/181,617.08
  6. Step 6: Final answer
    x = 145,090.13

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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.