Home / 118,543.20-177,728.40-48,386.40

Finding the Fourth Proportional to 118,543.20, 177,728.40 and 48,386.40

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Solution

The fourth proportional to 118,543.20, 177,728.40 and 48,386.40 is: 72,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,543.20 : 177,728.40 = 48,386.40 : x
  2. Step 2: Convert to fraction form
    118,543.20/177,728.40 = 48,386.40/x
  3. Step 3: Cross multiply
    118,543.20x = 177,728.40 × 48,386.40
  4. Step 4: Simplify right side
    118,543.20x = 8,599,637,453.76
  5. Step 5: Solve for x
    x = 8,599,637,453.76/118,543.20
  6. Step 6: Final answer
    x = 72,544.33

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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.