Home / 147,051.32-202,967.64-86,599.94

Finding the Fourth Proportional to 147,051.32, 202,967.64 and 86,599.94

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Solution

The fourth proportional to 147,051.32, 202,967.64 and 86,599.94 is: 119,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,051.32 : 202,967.64 = 86,599.94 : x
  2. Step 2: Convert to fraction form
    147,051.32/202,967.64 = 86,599.94/x
  3. Step 3: Cross multiply
    147,051.32x = 202,967.64 × 86,599.94
  4. Step 4: Simplify right side
    147,051.32x = 17,576,984,431.10
  5. Step 5: Solve for x
    x = 17,576,984,431.10/147,051.32
  6. Step 6: Final answer
    x = 119,529.60

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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.