Home / 141,303.51-194,999.00-77,645.07

Finding the Fourth Proportional to 141,303.51, 194,999.00 and 77,645.07

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Solution

The fourth proportional to 141,303.51, 194,999.00 and 77,645.07 is: 107,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,303.51 : 194,999.00 = 77,645.07 : x
  2. Step 2: Convert to fraction form
    141,303.51/194,999.00 = 77,645.07/x
  3. Step 3: Cross multiply
    141,303.51x = 194,999.00 × 77,645.07
  4. Step 4: Simplify right side
    141,303.51x = 15,140,710,616.70
  5. Step 5: Solve for x
    x = 15,140,710,616.70/141,303.51
  6. Step 6: Final answer
    x = 107,150.28

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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.