Home / 253,615.14-349,999.45-140,437.89

Finding the Fourth Proportional to 253,615.14, 349,999.45 and 140,437.89

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Solution

The fourth proportional to 253,615.14, 349,999.45 and 140,437.89 is: 193,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,615.14 : 349,999.45 = 140,437.89 : x
  2. Step 2: Convert to fraction form
    253,615.14/349,999.45 = 140,437.89/x
  3. Step 3: Cross multiply
    253,615.14x = 349,999.45 × 140,437.89
  4. Step 4: Simplify right side
    253,615.14x = 49,153,183,908.07
  5. Step 5: Solve for x
    x = 49,153,183,908.07/253,615.14
  6. Step 6: Final answer
    x = 193,810.13

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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.