Home / 105,156.40-157,603.34-52,580.92

Finding the Fourth Proportional to 105,156.40, 157,603.34 and 52,580.92

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Solution

The fourth proportional to 105,156.40, 157,603.34 and 52,580.92 is: 78,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,156.40 : 157,603.34 = 52,580.92 : x
  2. Step 2: Convert to fraction form
    105,156.40/157,603.34 = 52,580.92/x
  3. Step 3: Cross multiply
    105,156.40x = 157,603.34 × 52,580.92
  4. Step 4: Simplify right side
    105,156.40x = 8,286,928,612.27
  5. Step 5: Solve for x
    x = 8,286,928,612.27/105,156.40
  6. Step 6: Final answer
    x = 78,805.75

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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.