Home / 145,601.41-200,898.94-85,160.25

Finding the Fourth Proportional to 145,601.41, 200,898.94 and 85,160.25

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Solution

The fourth proportional to 145,601.41, 200,898.94 and 85,160.25 is: 117,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,601.41 : 200,898.94 = 85,160.25 : x
  2. Step 2: Convert to fraction form
    145,601.41/200,898.94 = 85,160.25/x
  3. Step 3: Cross multiply
    145,601.41x = 200,898.94 × 85,160.25
  4. Step 4: Simplify right side
    145,601.41x = 17,108,603,955.14
  5. Step 5: Solve for x
    x = 17,108,603,955.14/145,601.41
  6. Step 6: Final answer
    x = 117,503.01

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1.5x scale

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.