Home / 282,152.33-389,369.66-153,090.76

Finding the Fourth Proportional to 282,152.33, 389,369.66 and 153,090.76

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Solution

The fourth proportional to 282,152.33, 389,369.66 and 153,090.76 is: 211,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,152.33 : 389,369.66 = 153,090.76 : x
  2. Step 2: Convert to fraction form
    282,152.33/389,369.66 = 153,090.76/x
  3. Step 3: Cross multiply
    282,152.33x = 389,369.66 × 153,090.76
  4. Step 4: Simplify right side
    282,152.33x = 59,608,897,170.34
  5. Step 5: Solve for x
    x = 59,608,897,170.34/282,152.33
  6. Step 6: Final answer
    x = 211,264.95

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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.