Home / 160,013.02-220,809.85-88,379.20

Finding the Fourth Proportional to 160,013.02, 220,809.85 and 88,379.20

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Solution

The fourth proportional to 160,013.02, 220,809.85 and 88,379.20 is: 121,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,013.02 : 220,809.85 = 88,379.20 : x
  2. Step 2: Convert to fraction form
    160,013.02/220,809.85 = 88,379.20/x
  3. Step 3: Cross multiply
    160,013.02x = 220,809.85 × 88,379.20
  4. Step 4: Simplify right side
    160,013.02x = 19,514,997,950.18
  5. Step 5: Solve for x
    x = 19,514,997,950.18/160,013.02
  6. Step 6: Final answer
    x = 121,958.81

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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.