Home / 160,434.96-221,397.60-88,813.44

Finding the Fourth Proportional to 160,434.96, 221,397.60 and 88,813.44

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Solution

The fourth proportional to 160,434.96, 221,397.60 and 88,813.44 is: 122,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,434.96 : 221,397.60 = 88,813.44 : x
  2. Step 2: Convert to fraction form
    160,434.96/221,397.60 = 88,813.44/x
  3. Step 3: Cross multiply
    160,434.96x = 221,397.60 × 88,813.44
  4. Step 4: Simplify right side
    160,434.96x = 19,663,082,463.74
  5. Step 5: Solve for x
    x = 19,663,082,463.74/160,434.96
  6. Step 6: Final answer
    x = 122,561.08

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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.