Home / 109,888.07-151,594.38-64,551.56

Finding the Fourth Proportional to 109,888.07, 151,594.38 and 64,551.56

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Solution

The fourth proportional to 109,888.07, 151,594.38 and 64,551.56 is: 89,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,888.07 : 151,594.38 = 64,551.56 : x
  2. Step 2: Convert to fraction form
    109,888.07/151,594.38 = 64,551.56/x
  3. Step 3: Cross multiply
    109,888.07x = 151,594.38 × 64,551.56
  4. Step 4: Simplify right side
    109,888.07x = 9,785,652,958.26
  5. Step 5: Solve for x
    x = 9,785,652,958.26/109,888.07
  6. Step 6: Final answer
    x = 89,051.10

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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.