Home / 141,302.90-212,896.83-127,809.66

Finding the Fourth Proportional to 141,302.90, 212,896.83 and 127,809.66

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Solution

The fourth proportional to 141,302.90, 212,896.83 and 127,809.66 is: 192,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,302.90 : 212,896.83 = 127,809.66 : x
  2. Step 2: Convert to fraction form
    141,302.90/212,896.83 = 127,809.66/x
  3. Step 3: Cross multiply
    141,302.90x = 212,896.83 × 127,809.66
  4. Step 4: Simplify right side
    141,302.90x = 27,210,271,457.38
  5. Step 5: Solve for x
    x = 27,210,271,457.38/141,302.90
  6. Step 6: Final answer
    x = 192,566.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.