Home / 253,506.06-349,862.70-140,328.78

Finding the Fourth Proportional to 253,506.06, 349,862.70 and 140,328.78

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Solution

The fourth proportional to 253,506.06, 349,862.70 and 140,328.78 is: 193,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,506.06 : 349,862.70 = 140,328.78 : x
  2. Step 2: Convert to fraction form
    253,506.06/349,862.70 = 140,328.78/x
  3. Step 3: Cross multiply
    253,506.06x = 349,862.70 × 140,328.78
  4. Step 4: Simplify right side
    253,506.06x = 49,095,805,858.51
  5. Step 5: Solve for x
    x = 49,095,805,858.51/253,506.06
  6. Step 6: Final answer
    x = 193,667.19

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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.