Home / 210,145.95-315,185.08-60,352.17

Finding the Fourth Proportional to 210,145.95, 315,185.08 and 60,352.17

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Solution

The fourth proportional to 210,145.95, 315,185.08 and 60,352.17 is: 90,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,145.95 : 315,185.08 = 60,352.17 : x
  2. Step 2: Convert to fraction form
    210,145.95/315,185.08 = 60,352.17/x
  3. Step 3: Cross multiply
    210,145.95x = 315,185.08 × 60,352.17
  4. Step 4: Simplify right side
    210,145.95x = 19,022,103,529.62
  5. Step 5: Solve for x
    x = 19,022,103,529.62/210,145.95
  6. Step 6: Final answer
    x = 90,518.53

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1.5x scale

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.