Home / 260,524.20-390,597.30-176,075.40

Finding the Fourth Proportional to 260,524.20, 390,597.30 and 176,075.40

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Solution

The fourth proportional to 260,524.20, 390,597.30 and 176,075.40 is: 263,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,524.20 : 390,597.30 = 176,075.40 : x
  2. Step 2: Convert to fraction form
    260,524.20/390,597.30 = 176,075.40/x
  3. Step 3: Cross multiply
    260,524.20x = 390,597.30 × 176,075.40
  4. Step 4: Simplify right side
    260,524.20x = 68,774,575,836.42
  5. Step 5: Solve for x
    x = 68,774,575,836.42/260,524.20
  6. Step 6: Final answer
    x = 263,985.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.