Home / 141,693.00-195,534.20-78,030.79

Finding the Fourth Proportional to 141,693.00, 195,534.20 and 78,030.79

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Solution

The fourth proportional to 141,693.00, 195,534.20 and 78,030.79 is: 107,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,693.00 : 195,534.20 = 78,030.79 : x
  2. Step 2: Convert to fraction form
    141,693.00/195,534.20 = 78,030.79/x
  3. Step 3: Cross multiply
    141,693.00x = 195,534.20 × 78,030.79
  4. Step 4: Simplify right side
    141,693.00x = 15,257,688,904.14
  5. Step 5: Solve for x
    x = 15,257,688,904.14/141,693.00
  6. Step 6: Final answer
    x = 107,681.32

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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.