Home / 105,827.28-157,710.28-102,623.44

Finding the Fourth Proportional to 105,827.28, 157,710.28 and 102,623.44

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Solution

The fourth proportional to 105,827.28, 157,710.28 and 102,623.44 is: 152,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,827.28 : 157,710.28 = 102,623.44 : x
  2. Step 2: Convert to fraction form
    105,827.28/157,710.28 = 102,623.44/x
  3. Step 3: Cross multiply
    105,827.28x = 157,710.28 × 102,623.44
  4. Step 4: Simplify right side
    105,827.28x = 16,184,771,456.96
  5. Step 5: Solve for x
    x = 16,184,771,456.96/105,827.28
  6. Step 6: Final answer
    x = 152,935.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.