Home / 105,214.20-157,842.32-37,728.20

Finding the Fourth Proportional to 105,214.20, 157,842.32 and 37,728.20

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Solution

The fourth proportional to 105,214.20, 157,842.32 and 37,728.20 is: 56,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,214.20 : 157,842.32 = 37,728.20 : x
  2. Step 2: Convert to fraction form
    105,214.20/157,842.32 = 37,728.20/x
  3. Step 3: Cross multiply
    105,214.20x = 157,842.32 × 37,728.20
  4. Step 4: Simplify right side
    105,214.20x = 5,955,106,617.42
  5. Step 5: Solve for x
    x = 5,955,106,617.42/105,214.20
  6. Step 6: Final answer
    x = 56,599.84

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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.