Home / 159,109.34-219,516.25-98,658.23

Finding the Fourth Proportional to 159,109.34, 219,516.25 and 98,658.23

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Solution

The fourth proportional to 159,109.34, 219,516.25 and 98,658.23 is: 136,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,109.34 : 219,516.25 = 98,658.23 : x
  2. Step 2: Convert to fraction form
    159,109.34/219,516.25 = 98,658.23/x
  3. Step 3: Cross multiply
    159,109.34x = 219,516.25 × 98,658.23
  4. Step 4: Simplify right side
    159,109.34x = 21,657,084,681.24
  5. Step 5: Solve for x
    x = 21,657,084,681.24/159,109.34
  6. Step 6: Final answer
    x = 136,114.48

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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.