Home / 233,313.15-349,710.53-128,207.55

Finding the Fourth Proportional to 233,313.15, 349,710.53 and 128,207.55

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Solution

The fourth proportional to 233,313.15, 349,710.53 and 128,207.55 is: 192,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,313.15 : 349,710.53 = 128,207.55 : x
  2. Step 2: Convert to fraction form
    233,313.15/349,710.53 = 128,207.55/x
  3. Step 3: Cross multiply
    233,313.15x = 349,710.53 × 128,207.55
  4. Step 4: Simplify right side
    233,313.15x = 44,835,529,619.46
  5. Step 5: Solve for x
    x = 44,835,529,619.46/233,313.15
  6. Step 6: Final answer
    x = 192,168.89

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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.