Home / 170,270.16-255,405.08-45,607.76

Finding the Fourth Proportional to 170,270.16, 255,405.08 and 45,607.76

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Solution

The fourth proportional to 170,270.16, 255,405.08 and 45,607.76 is: 68,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,270.16 : 255,405.08 = 45,607.76 : x
  2. Step 2: Convert to fraction form
    170,270.16/255,405.08 = 45,607.76/x
  3. Step 3: Cross multiply
    170,270.16x = 255,405.08 × 45,607.76
  4. Step 4: Simplify right side
    170,270.16x = 11,648,453,591.42
  5. Step 5: Solve for x
    x = 11,648,453,591.42/170,270.16
  6. Step 6: Final answer
    x = 68,411.60

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1.5x scale

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.