Home / 128,856.83-193,238.93-44,594.12

Finding the Fourth Proportional to 128,856.83, 193,238.93 and 44,594.12

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Solution

The fourth proportional to 128,856.83, 193,238.93 and 44,594.12 is: 66,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,856.83 : 193,238.93 = 44,594.12 : x
  2. Step 2: Convert to fraction form
    128,856.83/193,238.93 = 44,594.12/x
  3. Step 3: Cross multiply
    128,856.83x = 193,238.93 × 44,594.12
  4. Step 4: Simplify right side
    128,856.83x = 8,617,320,627.67
  5. Step 5: Solve for x
    x = 8,617,320,627.67/128,856.83
  6. Step 6: Final answer
    x = 66,875.16

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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.