Home / 233,205.23-349,807.84-128,688.50

Finding the Fourth Proportional to 233,205.23, 349,807.84 and 128,688.50

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Solution

The fourth proportional to 233,205.23, 349,807.84 and 128,688.50 is: 193,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,205.23 : 349,807.84 = 128,688.50 : x
  2. Step 2: Convert to fraction form
    233,205.23/349,807.84 = 128,688.50/x
  3. Step 3: Cross multiply
    233,205.23x = 349,807.84 × 128,688.50
  4. Step 4: Simplify right side
    233,205.23x = 45,016,244,147.08
  5. Step 5: Solve for x
    x = 45,016,244,147.08/233,205.23
  6. Step 6: Final answer
    x = 193,032.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.