Home / 285,028.02-393,333.48-157,703.63

Finding the Fourth Proportional to 285,028.02, 393,333.48 and 157,703.63

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Solution

The fourth proportional to 285,028.02, 393,333.48 and 157,703.63 is: 217,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,028.02 : 393,333.48 = 157,703.63 : x
  2. Step 2: Convert to fraction form
    285,028.02/393,333.48 = 157,703.63/x
  3. Step 3: Cross multiply
    285,028.02x = 393,333.48 × 157,703.63
  4. Step 4: Simplify right side
    285,028.02x = 62,030,115,629.87
  5. Step 5: Solve for x
    x = 62,030,115,629.87/285,028.02
  6. Step 6: Final answer
    x = 217,628.13

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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.