Home / 209,613.47-289,271.79-114,125.42

Finding the Fourth Proportional to 209,613.47, 289,271.79 and 114,125.42

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Solution

The fourth proportional to 209,613.47, 289,271.79 and 114,125.42 is: 157,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,613.47 : 289,271.79 = 114,125.42 : x
  2. Step 2: Convert to fraction form
    209,613.47/289,271.79 = 114,125.42/x
  3. Step 3: Cross multiply
    209,613.47x = 289,271.79 × 114,125.42
  4. Step 4: Simplify right side
    209,613.47x = 33,013,264,527.90
  5. Step 5: Solve for x
    x = 33,013,264,527.90/209,613.47
  6. Step 6: Final answer
    x = 157,495.91

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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.