Home / 134,552.06-185,679.51-77,968.70

Finding the Fourth Proportional to 134,552.06, 185,679.51 and 77,968.70

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Solution

The fourth proportional to 134,552.06, 185,679.51 and 77,968.70 is: 107,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,552.06 : 185,679.51 = 77,968.70 : x
  2. Step 2: Convert to fraction form
    134,552.06/185,679.51 = 77,968.70/x
  3. Step 3: Cross multiply
    134,552.06x = 185,679.51 × 77,968.70
  4. Step 4: Simplify right side
    134,552.06x = 14,477,190,011.34
  5. Step 5: Solve for x
    x = 14,477,190,011.34/134,552.06
  6. Step 6: Final answer
    x = 107,595.45

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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.