Home / 115,545.80-173,124.30-108,547.40

Finding the Fourth Proportional to 115,545.80, 173,124.30 and 108,547.40

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Solution

The fourth proportional to 115,545.80, 173,124.30 and 108,547.40 is: 162,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,545.80 : 173,124.30 = 108,547.40 : x
  2. Step 2: Convert to fraction form
    115,545.80/173,124.30 = 108,547.40/x
  3. Step 3: Cross multiply
    115,545.80x = 173,124.30 × 108,547.40
  4. Step 4: Simplify right side
    115,545.80x = 18,792,192,641.82
  5. Step 5: Solve for x
    x = 18,792,192,641.82/115,545.80
  6. Step 6: Final answer
    x = 162,638.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.