Home / 181,570.03-250,542.79-100,981.51

Finding the Fourth Proportional to 181,570.03, 250,542.79 and 100,981.51

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Solution

The fourth proportional to 181,570.03, 250,542.79 and 100,981.51 is: 139,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,570.03 : 250,542.79 = 100,981.51 : x
  2. Step 2: Convert to fraction form
    181,570.03/250,542.79 = 100,981.51/x
  3. Step 3: Cross multiply
    181,570.03x = 250,542.79 × 100,981.51
  4. Step 4: Simplify right side
    181,570.03x = 25,300,189,253.81
  5. Step 5: Solve for x
    x = 25,300,189,253.81/181,570.03
  6. Step 6: Final answer
    x = 139,341.22

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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.