Home / 165,457.18-248,185.86-70,607.62

Finding the Fourth Proportional to 165,457.18, 248,185.86 and 70,607.62

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Solution

The fourth proportional to 165,457.18, 248,185.86 and 70,607.62 is: 105,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,457.18 : 248,185.86 = 70,607.62 : x
  2. Step 2: Convert to fraction form
    165,457.18/248,185.86 = 70,607.62/x
  3. Step 3: Cross multiply
    165,457.18x = 248,185.86 × 70,607.62
  4. Step 4: Simplify right side
    165,457.18x = 17,523,812,892.25
  5. Step 5: Solve for x
    x = 17,523,812,892.25/165,457.18
  6. Step 6: Final answer
    x = 105,911.47

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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.