Home / 316,363.02-436,580.34-173,123.04

Finding the Fourth Proportional to 316,363.02, 436,580.34 and 173,123.04

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Solution

The fourth proportional to 316,363.02, 436,580.34 and 173,123.04 is: 238,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,363.02 : 436,580.34 = 173,123.04 : x
  2. Step 2: Convert to fraction form
    316,363.02/436,580.34 = 173,123.04/x
  3. Step 3: Cross multiply
    316,363.02x = 436,580.34 × 173,123.04
  4. Step 4: Simplify right side
    316,363.02x = 75,582,115,665.03
  5. Step 5: Solve for x
    x = 75,582,115,665.03/316,363.02
  6. Step 6: Final answer
    x = 238,909.45

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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.