Home / 105,218.23-157,841.63-34,117.68

Finding the Fourth Proportional to 105,218.23, 157,841.63 and 34,117.68

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Solution

The fourth proportional to 105,218.23, 157,841.63 and 34,117.68 is: 51,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,218.23 : 157,841.63 = 34,117.68 : x
  2. Step 2: Convert to fraction form
    105,218.23/157,841.63 = 34,117.68/x
  3. Step 3: Cross multiply
    105,218.23x = 157,841.63 × 34,117.68
  4. Step 4: Simplify right side
    105,218.23x = 5,385,190,223.02
  5. Step 5: Solve for x
    x = 5,385,190,223.02/105,218.23
  6. Step 6: Final answer
    x = 51,181.15

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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.