Home / 279,356.64-385,511.04-152,032.20

Finding the Fourth Proportional to 279,356.64, 385,511.04 and 152,032.20

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Solution

The fourth proportional to 279,356.64, 385,511.04 and 152,032.20 is: 209,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,356.64 : 385,511.04 = 152,032.20 : x
  2. Step 2: Convert to fraction form
    279,356.64/385,511.04 = 152,032.20/x
  3. Step 3: Cross multiply
    279,356.64x = 385,511.04 × 152,032.20
  4. Step 4: Simplify right side
    279,356.64x = 58,610,091,535.49
  5. Step 5: Solve for x
    x = 58,610,091,535.49/279,356.64
  6. Step 6: Final answer
    x = 209,803.82

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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.