Home / 181,151.04-249,996.25-100,578.57

Finding the Fourth Proportional to 181,151.04, 249,996.25 and 100,578.57

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Solution

The fourth proportional to 181,151.04, 249,996.25 and 100,578.57 is: 138,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,151.04 : 249,996.25 = 100,578.57 : x
  2. Step 2: Convert to fraction form
    181,151.04/249,996.25 = 100,578.57/x
  3. Step 3: Cross multiply
    181,151.04x = 249,996.25 × 100,578.57
  4. Step 4: Simplify right side
    181,151.04x = 25,144,265,330.36
  5. Step 5: Solve for x
    x = 25,144,265,330.36/181,151.04
  6. Step 6: Final answer
    x = 138,802.77

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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.