Home / 228,330.70-315,088.62-126,360.48

Finding the Fourth Proportional to 228,330.70, 315,088.62 and 126,360.48

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Solution

The fourth proportional to 228,330.70, 315,088.62 and 126,360.48 is: 174,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,330.70 : 315,088.62 = 126,360.48 : x
  2. Step 2: Convert to fraction form
    228,330.70/315,088.62 = 126,360.48/x
  3. Step 3: Cross multiply
    228,330.70x = 315,088.62 × 126,360.48
  4. Step 4: Simplify right side
    228,330.70x = 39,814,749,265.74
  5. Step 5: Solve for x
    x = 39,814,749,265.74/228,330.70
  6. Step 6: Final answer
    x = 174,373.18

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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.