Home / 173,570.41-239,545.19-99,985.39

Finding the Fourth Proportional to 173,570.41, 239,545.19 and 99,985.39

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Solution

The fourth proportional to 173,570.41, 239,545.19 and 99,985.39 is: 137,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,570.41 : 239,545.19 = 99,985.39 : x
  2. Step 2: Convert to fraction form
    173,570.41/239,545.19 = 99,985.39/x
  3. Step 3: Cross multiply
    173,570.41x = 239,545.19 × 99,985.39
  4. Step 4: Simplify right side
    173,570.41x = 23,951,019,244.77
  5. Step 5: Solve for x
    x = 23,951,019,244.77/173,570.41
  6. Step 6: Final answer
    x = 137,990.22

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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.