Home / 170,347.81-254,209.28-149,615.05

Finding the Fourth Proportional to 170,347.81, 254,209.28 and 149,615.05

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Solution

The fourth proportional to 170,347.81, 254,209.28 and 149,615.05 is: 223,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,347.81 : 254,209.28 = 149,615.05 : x
  2. Step 2: Convert to fraction form
    170,347.81/254,209.28 = 149,615.05/x
  3. Step 3: Cross multiply
    170,347.81x = 254,209.28 × 149,615.05
  4. Step 4: Simplify right side
    170,347.81x = 38,033,534,137.66
  5. Step 5: Solve for x
    x = 38,033,534,137.66/170,347.81
  6. Step 6: Final answer
    x = 223,269.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.