Home / 141,693.13-195,535.56-78,030.46

Finding the Fourth Proportional to 141,693.13, 195,535.56 and 78,030.46

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Solution

The fourth proportional to 141,693.13, 195,535.56 and 78,030.46 is: 107,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,693.13 : 195,535.56 = 78,030.46 : x
  2. Step 2: Convert to fraction form
    141,693.13/195,535.56 = 78,030.46/x
  3. Step 3: Cross multiply
    141,693.13x = 195,535.56 × 78,030.46
  4. Step 4: Simplify right side
    141,693.13x = 15,257,729,693.16
  5. Step 5: Solve for x
    x = 15,257,729,693.16/141,693.13
  6. Step 6: Final answer
    x = 107,681.51

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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.