Home / 153,527.10-211,861.38-85,542.33

Finding the Fourth Proportional to 153,527.10, 211,861.38 and 85,542.33

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Solution

The fourth proportional to 153,527.10, 211,861.38 and 85,542.33 is: 118,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,527.10 : 211,861.38 = 85,542.33 : x
  2. Step 2: Convert to fraction form
    153,527.10/211,861.38 = 85,542.33/x
  3. Step 3: Cross multiply
    153,527.10x = 211,861.38 × 85,542.33
  4. Step 4: Simplify right side
    153,527.10x = 18,123,116,082.22
  5. Step 5: Solve for x
    x = 18,123,116,082.22/153,527.10
  6. Step 6: Final answer
    x = 118,045.06

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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.