Home / 290,384.64-400,557-182,767.84

Finding the Fourth Proportional to 290,384.64, 400,557 and 182,767.84

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Solution

The fourth proportional to 290,384.64, 400,557 and 182,767.84 is: 252,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,384.64 : 400,557 = 182,767.84 : x
  2. Step 2: Convert to fraction form
    290,384.64/400,557 = 182,767.84/x
  3. Step 3: Cross multiply
    290,384.64x = 400,557 × 182,767.84
  4. Step 4: Simplify right side
    290,384.64x = 73,208,937,686.88
  5. Step 5: Solve for x
    x = 73,208,937,686.88/290,384.64
  6. Step 6: Final answer
    x = 252,110.23

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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.