Home / 141,430.51-195,177.45-76,903.44

Finding the Fourth Proportional to 141,430.51, 195,177.45 and 76,903.44

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Solution

The fourth proportional to 141,430.51, 195,177.45 and 76,903.44 is: 106,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,430.51 : 195,177.45 = 76,903.44 : x
  2. Step 2: Convert to fraction form
    141,430.51/195,177.45 = 76,903.44/x
  3. Step 3: Cross multiply
    141,430.51x = 195,177.45 × 76,903.44
  4. Step 4: Simplify right side
    141,430.51x = 15,009,817,315.43
  5. Step 5: Solve for x
    x = 15,009,817,315.43/141,430.51
  6. Step 6: Final answer
    x = 106,128.57

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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.