Home / 145,057.08-200,063.28-119,862.84

Finding the Fourth Proportional to 145,057.08, 200,063.28 and 119,862.84

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Solution

The fourth proportional to 145,057.08, 200,063.28 and 119,862.84 is: 165,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,057.08 : 200,063.28 = 119,862.84 : x
  2. Step 2: Convert to fraction form
    145,057.08/200,063.28 = 119,862.84/x
  3. Step 3: Cross multiply
    145,057.08x = 200,063.28 × 119,862.84
  4. Step 4: Simplify right side
    145,057.08x = 23,980,152,920.52
  5. Step 5: Solve for x
    x = 23,980,152,920.52/145,057.08
  6. Step 6: Final answer
    x = 165,315.29

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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.