Home / 153,322.28-211,559.46-85,337.48

Finding the Fourth Proportional to 153,322.28, 211,559.46 and 85,337.48

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Solution

The fourth proportional to 153,322.28, 211,559.46 and 85,337.48 is: 117,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,322.28 : 211,559.46 = 85,337.48 : x
  2. Step 2: Convert to fraction form
    153,322.28/211,559.46 = 85,337.48/x
  3. Step 3: Cross multiply
    153,322.28x = 211,559.46 × 85,337.48
  4. Step 4: Simplify right side
    153,322.28x = 18,053,950,128.76
  5. Step 5: Solve for x
    x = 18,053,950,128.76/153,322.28
  6. Step 6: Final answer
    x = 117,751.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.