Home / 285,428.64-393,701.61-183,582.93

Finding the Fourth Proportional to 285,428.64, 393,701.61 and 183,582.93

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Solution

The fourth proportional to 285,428.64, 393,701.61 and 183,582.93 is: 253,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,428.64 : 393,701.61 = 183,582.93 : x
  2. Step 2: Convert to fraction form
    285,428.64/393,701.61 = 183,582.93/x
  3. Step 3: Cross multiply
    285,428.64x = 393,701.61 × 183,582.93
  4. Step 4: Simplify right side
    285,428.64x = 72,276,895,109.52
  5. Step 5: Solve for x
    x = 72,276,895,109.52/285,428.64
  6. Step 6: Final answer
    x = 253,222.29

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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.