Home / 261,145.11-360,247.60-170,554.10

Finding the Fourth Proportional to 261,145.11, 360,247.60 and 170,554.10

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Solution

The fourth proportional to 261,145.11, 360,247.60 and 170,554.10 is: 235,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,145.11 : 360,247.60 = 170,554.10 : x
  2. Step 2: Convert to fraction form
    261,145.11/360,247.60 = 170,554.10/x
  3. Step 3: Cross multiply
    261,145.11x = 360,247.60 × 170,554.10
  4. Step 4: Simplify right side
    261,145.11x = 61,441,705,195.16
  5. Step 5: Solve for x
    x = 61,441,705,195.16/261,145.11
  6. Step 6: Final answer
    x = 235,278.02

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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.