Home / 151,650.02-209,275.03-83,669.85

Finding the Fourth Proportional to 151,650.02, 209,275.03 and 83,669.85

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Solution

The fourth proportional to 151,650.02, 209,275.03 and 83,669.85 is: 115,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,650.02 : 209,275.03 = 83,669.85 : x
  2. Step 2: Convert to fraction form
    151,650.02/209,275.03 = 83,669.85/x
  3. Step 3: Cross multiply
    151,650.02x = 209,275.03 × 83,669.85
  4. Step 4: Simplify right side
    151,650.02x = 17,510,010,368.85
  5. Step 5: Solve for x
    x = 17,510,010,368.85/151,650.02
  6. Step 6: Final answer
    x = 115,463.29

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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.