Home / 160,545.16-221,564.82-88,931.98

Finding the Fourth Proportional to 160,545.16, 221,564.82 and 88,931.98

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Solution

The fourth proportional to 160,545.16, 221,564.82 and 88,931.98 is: 122,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,545.16 : 221,564.82 = 88,931.98 : x
  2. Step 2: Convert to fraction form
    160,545.16/221,564.82 = 88,931.98/x
  3. Step 3: Cross multiply
    160,545.16x = 221,564.82 × 88,931.98
  4. Step 4: Simplify right side
    160,545.16x = 19,704,198,140.94
  5. Step 5: Solve for x
    x = 19,704,198,140.94/160,545.16
  6. Step 6: Final answer
    x = 122,733.06

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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.