Home / 109,776.48-151,407.96-94,489.05

Finding the Fourth Proportional to 109,776.48, 151,407.96 and 94,489.05

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Solution

The fourth proportional to 109,776.48, 151,407.96 and 94,489.05 is: 130,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,776.48 : 151,407.96 = 94,489.05 : x
  2. Step 2: Convert to fraction form
    109,776.48/151,407.96 = 94,489.05/x
  3. Step 3: Cross multiply
    109,776.48x = 151,407.96 × 94,489.05
  4. Step 4: Simplify right side
    109,776.48x = 14,306,393,688.10
  5. Step 5: Solve for x
    x = 14,306,393,688.10/109,776.48
  6. Step 6: Final answer
    x = 130,322.94

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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.