Home / 209,050.94-288,510.37-117,169.77

Finding the Fourth Proportional to 209,050.94, 288,510.37 and 117,169.77

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Solution

The fourth proportional to 209,050.94, 288,510.37 and 117,169.77 is: 161,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,050.94 : 288,510.37 = 117,169.77 : x
  2. Step 2: Convert to fraction form
    209,050.94/288,510.37 = 117,169.77/x
  3. Step 3: Cross multiply
    209,050.94x = 288,510.37 × 117,169.77
  4. Step 4: Simplify right side
    209,050.94x = 33,804,693,695.51
  5. Step 5: Solve for x
    x = 33,804,693,695.51/209,050.94
  6. Step 6: Final answer
    x = 161,705.53

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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.