Home / 215,023.04-296,688.48-125,581.76

Finding the Fourth Proportional to 215,023.04, 296,688.48 and 125,581.76

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Solution

The fourth proportional to 215,023.04, 296,688.48 and 125,581.76 is: 173,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,023.04 : 296,688.48 = 125,581.76 : x
  2. Step 2: Convert to fraction form
    215,023.04/296,688.48 = 125,581.76/x
  3. Step 3: Cross multiply
    215,023.04x = 296,688.48 × 125,581.76
  4. Step 4: Simplify right side
    215,023.04x = 37,258,661,490.12
  5. Step 5: Solve for x
    x = 37,258,661,490.12/215,023.04
  6. Step 6: Final answer
    x = 173,277.53

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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.