Home / 315,746.40-473,204.88-149,581.92

Finding the Fourth Proportional to 315,746.40, 473,204.88 and 149,581.92

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Solution

The fourth proportional to 315,746.40, 473,204.88 and 149,581.92 is: 224,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,746.40 : 473,204.88 = 149,581.92 : x
  2. Step 2: Convert to fraction form
    315,746.40/473,204.88 = 149,581.92/x
  3. Step 3: Cross multiply
    315,746.40x = 473,204.88 × 149,581.92
  4. Step 4: Simplify right side
    315,746.40x = 70,782,894,503.77
  5. Step 5: Solve for x
    x = 70,782,894,503.77/315,746.40
  6. Step 6: Final answer
    x = 224,176.41

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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.