Home / 143,247.13-197,430.82-104,925.26

Finding the Fourth Proportional to 143,247.13, 197,430.82 and 104,925.26

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Solution

The fourth proportional to 143,247.13, 197,430.82 and 104,925.26 is: 144,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,247.13 : 197,430.82 = 104,925.26 : x
  2. Step 2: Convert to fraction form
    143,247.13/197,430.82 = 104,925.26/x
  3. Step 3: Cross multiply
    143,247.13x = 197,430.82 × 104,925.26
  4. Step 4: Simplify right side
    143,247.13x = 20,715,479,595.89
  5. Step 5: Solve for x
    x = 20,715,479,595.89/143,247.13
  6. Step 6: Final answer
    x = 144,613.58

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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.