Home / 209,058.80-288,543.15-124,159.46

Finding the Fourth Proportional to 209,058.80, 288,543.15 and 124,159.46

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Solution

The fourth proportional to 209,058.80, 288,543.15 and 124,159.46 is: 171,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,058.80 : 288,543.15 = 124,159.46 : x
  2. Step 2: Convert to fraction form
    209,058.80/288,543.15 = 124,159.46/x
  3. Step 3: Cross multiply
    209,058.80x = 288,543.15 × 124,159.46
  4. Step 4: Simplify right side
    209,058.80x = 35,825,360,247.98
  5. Step 5: Solve for x
    x = 35,825,360,247.98/209,058.80
  6. Step 6: Final answer
    x = 171,365.00

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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.