Home / 318,623.63-439,700.60-175,383.02

Finding the Fourth Proportional to 318,623.63, 439,700.60 and 175,383.02

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Solution

The fourth proportional to 318,623.63, 439,700.60 and 175,383.02 is: 242,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,623.63 : 439,700.60 = 175,383.02 : x
  2. Step 2: Convert to fraction form
    318,623.63/439,700.60 = 175,383.02/x
  3. Step 3: Cross multiply
    318,623.63x = 439,700.60 × 175,383.02
  4. Step 4: Simplify right side
    318,623.63x = 77,116,020,661.52
  5. Step 5: Solve for x
    x = 77,116,020,661.52/318,623.63
  6. Step 6: Final answer
    x = 242,028.57

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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.