Home / 146,784.24-202,562.64-86,357.16

Finding the Fourth Proportional to 146,784.24, 202,562.64 and 86,357.16

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Solution

The fourth proportional to 146,784.24, 202,562.64 and 86,357.16 is: 119,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,784.24 : 202,562.64 = 86,357.16 : x
  2. Step 2: Convert to fraction form
    146,784.24/202,562.64 = 86,357.16/x
  3. Step 3: Cross multiply
    146,784.24x = 202,562.64 × 86,357.16
  4. Step 4: Simplify right side
    146,784.24x = 17,492,734,312.50
  5. Step 5: Solve for x
    x = 17,492,734,312.50/146,784.24
  6. Step 6: Final answer
    x = 119,173.11

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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.