Home / 155,152.16-214,236.24-126,476.32

Finding the Fourth Proportional to 155,152.16, 214,236.24 and 126,476.32

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Solution

The fourth proportional to 155,152.16, 214,236.24 and 126,476.32 is: 174,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,152.16 : 214,236.24 = 126,476.32 : x
  2. Step 2: Convert to fraction form
    155,152.16/214,236.24 = 126,476.32/x
  3. Step 3: Cross multiply
    155,152.16x = 214,236.24 × 126,476.32
  4. Step 4: Simplify right side
    155,152.16x = 27,095,811,245.84
  5. Step 5: Solve for x
    x = 27,095,811,245.84/155,152.16
  6. Step 6: Final answer
    x = 174,640.25

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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.