Home / 134,775.54-186,050.05-87,052.16

Finding the Fourth Proportional to 134,775.54, 186,050.05 and 87,052.16

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Solution

The fourth proportional to 134,775.54, 186,050.05 and 87,052.16 is: 120,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,775.54 : 186,050.05 = 87,052.16 : x
  2. Step 2: Convert to fraction form
    134,775.54/186,050.05 = 87,052.16/x
  3. Step 3: Cross multiply
    134,775.54x = 186,050.05 × 87,052.16
  4. Step 4: Simplify right side
    134,775.54x = 16,196,058,968.10
  5. Step 5: Solve for x
    x = 16,196,058,968.10/134,775.54
  6. Step 6: Final answer
    x = 120,170.61

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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.