Home / 110,362.12-152,296.86-64,430.56

Finding the Fourth Proportional to 110,362.12, 152,296.86 and 64,430.56

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Solution

The fourth proportional to 110,362.12, 152,296.86 and 64,430.56 is: 88,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,362.12 : 152,296.86 = 64,430.56 : x
  2. Step 2: Convert to fraction form
    110,362.12/152,296.86 = 64,430.56/x
  3. Step 3: Cross multiply
    110,362.12x = 152,296.86 × 64,430.56
  4. Step 4: Simplify right side
    110,362.12x = 9,812,571,976.04
  5. Step 5: Solve for x
    x = 9,812,571,976.04/110,362.12
  6. Step 6: Final answer
    x = 88,912.50

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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.