Home / 151,950.02-209,688.45-83,966.90

Finding the Fourth Proportional to 151,950.02, 209,688.45 and 83,966.90

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Solution

The fourth proportional to 151,950.02, 209,688.45 and 83,966.90 is: 115,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,950.02 : 209,688.45 = 83,966.90 : x
  2. Step 2: Convert to fraction form
    151,950.02/209,688.45 = 83,966.90/x
  3. Step 3: Cross multiply
    151,950.02x = 209,688.45 × 83,966.90
  4. Step 4: Simplify right side
    151,950.02x = 17,606,889,112.31
  5. Step 5: Solve for x
    x = 17,606,889,112.31/151,950.02
  6. Step 6: Final answer
    x = 115,872.90

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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.