Home / 160,126.64-220,970.94-87,526.30

Finding the Fourth Proportional to 160,126.64, 220,970.94 and 87,526.30

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Solution

The fourth proportional to 160,126.64, 220,970.94 and 87,526.30 is: 120,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,126.64 : 220,970.94 = 87,526.30 : x
  2. Step 2: Convert to fraction form
    160,126.64/220,970.94 = 87,526.30/x
  3. Step 3: Cross multiply
    160,126.64x = 220,970.94 × 87,526.30
  4. Step 4: Simplify right side
    160,126.64x = 19,340,768,785.72
  5. Step 5: Solve for x
    x = 19,340,768,785.72/160,126.64
  6. Step 6: Final answer
    x = 120,784.20

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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.