Home / 209,372.59-288,907.95-141,537.16

Finding the Fourth Proportional to 209,372.59, 288,907.95 and 141,537.16

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Solution

The fourth proportional to 209,372.59, 288,907.95 and 141,537.16 is: 195,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,372.59 : 288,907.95 = 141,537.16 : x
  2. Step 2: Convert to fraction form
    209,372.59/288,907.95 = 141,537.16/x
  3. Step 3: Cross multiply
    209,372.59x = 288,907.95 × 141,537.16
  4. Step 4: Simplify right side
    209,372.59x = 40,891,210,744.42
  5. Step 5: Solve for x
    x = 40,891,210,744.42/209,372.59
  6. Step 6: Final answer
    x = 195,303.55

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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.