Home / 181,656.37-272,307.77-86,862.07

Finding the Fourth Proportional to 181,656.37, 272,307.77 and 86,862.07

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Solution

The fourth proportional to 181,656.37, 272,307.77 and 86,862.07 is: 130,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,656.37 : 272,307.77 = 86,862.07 : x
  2. Step 2: Convert to fraction form
    181,656.37/272,307.77 = 86,862.07/x
  3. Step 3: Cross multiply
    181,656.37x = 272,307.77 × 86,862.07
  4. Step 4: Simplify right side
    181,656.37x = 23,653,215,572.78
  5. Step 5: Solve for x
    x = 23,653,215,572.78/181,656.37
  6. Step 6: Final answer
    x = 130,208.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.