Home / 120,531.95-166,332.77-69,544.07

Finding the Fourth Proportional to 120,531.95, 166,332.77 and 69,544.07

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Solution

The fourth proportional to 120,531.95, 166,332.77 and 69,544.07 is: 95,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,531.95 : 166,332.77 = 69,544.07 : x
  2. Step 2: Convert to fraction form
    120,531.95/166,332.77 = 69,544.07/x
  3. Step 3: Cross multiply
    120,531.95x = 166,332.77 × 69,544.07
  4. Step 4: Simplify right side
    120,531.95x = 11,567,456,968.51
  5. Step 5: Solve for x
    x = 11,567,456,968.51/120,531.95
  6. Step 6: Final answer
    x = 95,970.05

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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.