Home / 115,612.56-159,526.78-70,266.32

Finding the Fourth Proportional to 115,612.56, 159,526.78 and 70,266.32

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Solution

The fourth proportional to 115,612.56, 159,526.78 and 70,266.32 is: 96,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,612.56 : 159,526.78 = 70,266.32 : x
  2. Step 2: Convert to fraction form
    115,612.56/159,526.78 = 70,266.32/x
  3. Step 3: Cross multiply
    115,612.56x = 159,526.78 × 70,266.32
  4. Step 4: Simplify right side
    115,612.56x = 11,209,359,772.05
  5. Step 5: Solve for x
    x = 11,209,359,772.05/115,612.56
  6. Step 6: Final answer
    x = 96,956.25

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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.