Home / 152,545.98-210,503.43-85,465.02

Finding the Fourth Proportional to 152,545.98, 210,503.43 and 85,465.02

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Solution

The fourth proportional to 152,545.98, 210,503.43 and 85,465.02 is: 117,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,545.98 : 210,503.43 = 85,465.02 : x
  2. Step 2: Convert to fraction form
    152,545.98/210,503.43 = 85,465.02/x
  3. Step 3: Cross multiply
    152,545.98x = 210,503.43 × 85,465.02
  4. Step 4: Simplify right side
    152,545.98x = 17,990,679,855.02
  5. Step 5: Solve for x
    x = 17,990,679,855.02/152,545.98
  6. Step 6: Final answer
    x = 117,936.11

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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.