Home / 285,039.02-393,586.37-183,115.10

Finding the Fourth Proportional to 285,039.02, 393,586.37 and 183,115.10

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Solution

The fourth proportional to 285,039.02, 393,586.37 and 183,115.10 is: 252,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,039.02 : 393,586.37 = 183,115.10 : x
  2. Step 2: Convert to fraction form
    285,039.02/393,586.37 = 183,115.10/x
  3. Step 3: Cross multiply
    285,039.02x = 393,586.37 × 183,115.10
  4. Step 4: Simplify right side
    285,039.02x = 72,071,607,501.19
  5. Step 5: Solve for x
    x = 72,071,607,501.19/285,039.02
  6. Step 6: Final answer
    x = 252,848.22

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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.