Home / 261,375.18-360,642.75-170,863.77

Finding the Fourth Proportional to 261,375.18, 360,642.75 and 170,863.77

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Solution

The fourth proportional to 261,375.18, 360,642.75 and 170,863.77 is: 235,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,375.18 : 360,642.75 = 170,863.77 : x
  2. Step 2: Convert to fraction form
    261,375.18/360,642.75 = 170,863.77/x
  3. Step 3: Cross multiply
    261,375.18x = 360,642.75 × 170,863.77
  4. Step 4: Simplify right side
    261,375.18x = 61,620,779,888.17
  5. Step 5: Solve for x
    x = 61,620,779,888.17/261,375.18
  6. Step 6: Final answer
    x = 235,756.05

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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.