Home / 107,378.16-148,157.96-64,935.84

Finding the Fourth Proportional to 107,378.16, 148,157.96 and 64,935.84

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Solution

The fourth proportional to 107,378.16, 148,157.96 and 64,935.84 is: 89,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,378.16 : 148,157.96 = 64,935.84 : x
  2. Step 2: Convert to fraction form
    107,378.16/148,157.96 = 64,935.84/x
  3. Step 3: Cross multiply
    107,378.16x = 148,157.96 × 64,935.84
  4. Step 4: Simplify right side
    107,378.16x = 9,620,761,585.29
  5. Step 5: Solve for x
    x = 9,620,761,585.29/107,378.16
  6. Step 6: Final answer
    x = 89,597.01

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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.