Home / 160,435.08-240,873.48-81,602.64

Finding the Fourth Proportional to 160,435.08, 240,873.48 and 81,602.64

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Solution

The fourth proportional to 160,435.08, 240,873.48 and 81,602.64 is: 122,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,435.08 : 240,873.48 = 81,602.64 : x
  2. Step 2: Convert to fraction form
    160,435.08/240,873.48 = 81,602.64/x
  3. Step 3: Cross multiply
    160,435.08x = 240,873.48 × 81,602.64
  4. Step 4: Simplify right side
    160,435.08x = 19,655,911,873.99
  5. Step 5: Solve for x
    x = 19,655,911,873.99/160,435.08
  6. Step 6: Final answer
    x = 122,516.30

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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.