Home / 325,088.56-487,826.64-145,160.08

Finding the Fourth Proportional to 325,088.56, 487,826.64 and 145,160.08

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Solution

The fourth proportional to 325,088.56, 487,826.64 and 145,160.08 is: 217,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,088.56 : 487,826.64 = 145,160.08 : x
  2. Step 2: Convert to fraction form
    325,088.56/487,826.64 = 145,160.08/x
  3. Step 3: Cross multiply
    325,088.56x = 487,826.64 × 145,160.08
  4. Step 4: Simplify right side
    325,088.56x = 70,812,954,088.53
  5. Step 5: Solve for x
    x = 70,812,954,088.53/325,088.56
  6. Step 6: Final answer
    x = 217,826.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.