Home / 209,302.23-288,830.97-118,666.56

Finding the Fourth Proportional to 209,302.23, 288,830.97 and 118,666.56

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Solution

The fourth proportional to 209,302.23, 288,830.97 and 118,666.56 is: 163,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,302.23 : 288,830.97 = 118,666.56 : x
  2. Step 2: Convert to fraction form
    209,302.23/288,830.97 = 118,666.56/x
  3. Step 3: Cross multiply
    209,302.23x = 288,830.97 × 118,666.56
  4. Step 4: Simplify right side
    209,302.23x = 34,274,577,631.36
  5. Step 5: Solve for x
    x = 34,274,577,631.36/209,302.23
  6. Step 6: Final answer
    x = 163,756.39

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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.