Home / 181,921.04-251,053.02-101,353.17

Finding the Fourth Proportional to 181,921.04, 251,053.02 and 101,353.17

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Solution

The fourth proportional to 181,921.04, 251,053.02 and 101,353.17 is: 139,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,921.04 : 251,053.02 = 101,353.17 : x
  2. Step 2: Convert to fraction form
    181,921.04/251,053.02 = 101,353.17/x
  3. Step 3: Cross multiply
    181,921.04x = 251,053.02 × 101,353.17
  4. Step 4: Simplify right side
    181,921.04x = 25,445,020,356.52
  5. Step 5: Solve for x
    x = 25,445,020,356.52/181,921.04
  6. Step 6: Final answer
    x = 139,868.49

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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.