Home / 439,895.02-659,854.84-155,545.38

Finding the Fourth Proportional to 439,895.02, 659,854.84 and 155,545.38

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Solution

The fourth proportional to 439,895.02, 659,854.84 and 155,545.38 is: 233,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,895.02 : 659,854.84 = 155,545.38 : x
  2. Step 2: Convert to fraction form
    439,895.02/659,854.84 = 155,545.38/x
  3. Step 3: Cross multiply
    439,895.02x = 659,854.84 × 155,545.38
  4. Step 4: Simplify right side
    439,895.02x = 102,637,371,832.64
  5. Step 5: Solve for x
    x = 102,637,371,832.64/439,895.02
  6. Step 6: Final answer
    x = 233,322.42

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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.