Home / 170,549.40-255,877.56-70,756.68

Finding the Fourth Proportional to 170,549.40, 255,877.56 and 70,756.68

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Solution

The fourth proportional to 170,549.40, 255,877.56 and 70,756.68 is: 106,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,549.40 : 255,877.56 = 70,756.68 : x
  2. Step 2: Convert to fraction form
    170,549.40/255,877.56 = 70,756.68/x
  3. Step 3: Cross multiply
    170,549.40x = 255,877.56 × 70,756.68
  4. Step 4: Simplify right side
    170,549.40x = 18,105,046,632.10
  5. Step 5: Solve for x
    x = 18,105,046,632.10/170,549.40
  6. Step 6: Final answer
    x = 106,157.20

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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.