Home / 212,535.18-293,259.96-127,653.66

Finding the Fourth Proportional to 212,535.18, 293,259.96 and 127,653.66

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Solution

The fourth proportional to 212,535.18, 293,259.96 and 127,653.66 is: 176,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,535.18 : 293,259.96 = 127,653.66 : x
  2. Step 2: Convert to fraction form
    212,535.18/293,259.96 = 127,653.66/x
  3. Step 3: Cross multiply
    212,535.18x = 293,259.96 × 127,653.66
  4. Step 4: Simplify right side
    212,535.18x = 37,435,707,225.45
  5. Step 5: Solve for x
    x = 37,435,707,225.45/212,535.18
  6. Step 6: Final answer
    x = 176,138.87

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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.