Home / 114,856.40-158,490.60-64,554.32

Finding the Fourth Proportional to 114,856.40, 158,490.60 and 64,554.32

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Solution

The fourth proportional to 114,856.40, 158,490.60 and 64,554.32 is: 89,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,856.40 : 158,490.60 = 64,554.32 : x
  2. Step 2: Convert to fraction form
    114,856.40/158,490.60 = 64,554.32/x
  3. Step 3: Cross multiply
    114,856.40x = 158,490.60 × 64,554.32
  4. Step 4: Simplify right side
    114,856.40x = 10,231,252,909.39
  5. Step 5: Solve for x
    x = 10,231,252,909.39/114,856.40
  6. Step 6: Final answer
    x = 89,078.65

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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.