Home / 141,526.60-195,307.06-77,868.36

Finding the Fourth Proportional to 141,526.60, 195,307.06 and 77,868.36

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Solution

The fourth proportional to 141,526.60, 195,307.06 and 77,868.36 is: 107,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,526.60 : 195,307.06 = 77,868.36 : x
  2. Step 2: Convert to fraction form
    141,526.60/195,307.06 = 77,868.36/x
  3. Step 3: Cross multiply
    141,526.60x = 195,307.06 × 77,868.36
  4. Step 4: Simplify right side
    141,526.60x = 15,208,240,458.62
  5. Step 5: Solve for x
    x = 15,208,240,458.62/141,526.60
  6. Step 6: Final answer
    x = 107,458.53

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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.