Home / 109,561.02-151,191.14-61,818.81

Finding the Fourth Proportional to 109,561.02, 151,191.14 and 61,818.81

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Solution

The fourth proportional to 109,561.02, 151,191.14 and 61,818.81 is: 85,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,561.02 : 151,191.14 = 61,818.81 : x
  2. Step 2: Convert to fraction form
    109,561.02/151,191.14 = 61,818.81/x
  3. Step 3: Cross multiply
    109,561.02x = 151,191.14 × 61,818.81
  4. Step 4: Simplify right side
    109,561.02x = 9,346,455,481.28
  5. Step 5: Solve for x
    x = 9,346,455,481.28/109,561.02
  6. Step 6: Final answer
    x = 85,308.22

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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.