Home / 114,439.84-157,924.56-64,137.76

Finding the Fourth Proportional to 114,439.84, 157,924.56 and 64,137.76

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Solution

The fourth proportional to 114,439.84, 157,924.56 and 64,137.76 is: 88,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,439.84 : 157,924.56 = 64,137.76 : x
  2. Step 2: Convert to fraction form
    114,439.84/157,924.56 = 64,137.76/x
  3. Step 3: Cross multiply
    114,439.84x = 157,924.56 × 64,137.76
  4. Step 4: Simplify right side
    114,439.84x = 10,128,927,527.39
  5. Step 5: Solve for x
    x = 10,128,927,527.39/114,439.84
  6. Step 6: Final answer
    x = 88,508.75

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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.