Home / 160,192.08-221,062.64-87,595.20

Finding the Fourth Proportional to 160,192.08, 221,062.64 and 87,595.20

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Solution

The fourth proportional to 160,192.08, 221,062.64 and 87,595.20 is: 120,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,192.08 : 221,062.64 = 87,595.20 : x
  2. Step 2: Convert to fraction form
    160,192.08/221,062.64 = 87,595.20/x
  3. Step 3: Cross multiply
    160,192.08x = 221,062.64 × 87,595.20
  4. Step 4: Simplify right side
    160,192.08x = 19,364,027,211.30
  5. Step 5: Solve for x
    x = 19,364,027,211.30/160,192.08
  6. Step 6: Final answer
    x = 120,880.05

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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.