Home / 190,510.68-285,776.82-57,409.32

Finding the Fourth Proportional to 190,510.68, 285,776.82 and 57,409.32

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Solution

The fourth proportional to 190,510.68, 285,776.82 and 57,409.32 is: 86,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,510.68 : 285,776.82 = 57,409.32 : x
  2. Step 2: Convert to fraction form
    190,510.68/285,776.82 = 57,409.32/x
  3. Step 3: Cross multiply
    190,510.68x = 285,776.82 × 57,409.32
  4. Step 4: Simplify right side
    190,510.68x = 16,406,252,907.96
  5. Step 5: Solve for x
    x = 16,406,252,907.96/190,510.68
  6. Step 6: Final answer
    x = 86,117.23

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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.