Home / 105,214.10-145,157.73-62,184.56

Finding the Fourth Proportional to 105,214.10, 145,157.73 and 62,184.56

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Solution

The fourth proportional to 105,214.10, 145,157.73 and 62,184.56 is: 85,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,214.10 : 145,157.73 = 62,184.56 : x
  2. Step 2: Convert to fraction form
    105,214.10/145,157.73 = 62,184.56/x
  3. Step 3: Cross multiply
    105,214.10x = 145,157.73 × 62,184.56
  4. Step 4: Simplify right side
    105,214.10x = 9,026,569,570.65
  5. Step 5: Solve for x
    x = 9,026,569,570.65/105,214.10
  6. Step 6: Final answer
    x = 85,792.39

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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.