Home / 160,712.20-221,779.02-92,729.32

Finding the Fourth Proportional to 160,712.20, 221,779.02 and 92,729.32

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Solution

The fourth proportional to 160,712.20, 221,779.02 and 92,729.32 is: 127,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,712.20 : 221,779.02 = 92,729.32 : x
  2. Step 2: Convert to fraction form
    160,712.20/221,779.02 = 92,729.32/x
  3. Step 3: Cross multiply
    160,712.20x = 221,779.02 × 92,729.32
  4. Step 4: Simplify right side
    160,712.20x = 20,565,417,714.87
  5. Step 5: Solve for x
    x = 20,565,417,714.87/160,712.20
  6. Step 6: Final answer
    x = 127,964.26

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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.