Home / 170,405.18-255,607.76-52,075.52

Finding the Fourth Proportional to 170,405.18, 255,607.76 and 52,075.52

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Solution

The fourth proportional to 170,405.18, 255,607.76 and 52,075.52 is: 78,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,405.18 : 255,607.76 = 52,075.52 : x
  2. Step 2: Convert to fraction form
    170,405.18/255,607.76 = 52,075.52/x
  3. Step 3: Cross multiply
    170,405.18x = 255,607.76 × 52,075.52
  4. Step 4: Simplify right side
    170,405.18x = 13,310,905,870.19
  5. Step 5: Solve for x
    x = 13,310,905,870.19/170,405.18
  6. Step 6: Final answer
    x = 78,113.27

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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.