Home / 134,424.56-185,497.14-77,063.18

Finding the Fourth Proportional to 134,424.56, 185,497.14 and 77,063.18

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Solution

The fourth proportional to 134,424.56, 185,497.14 and 77,063.18 is: 106,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,424.56 : 185,497.14 = 77,063.18 : x
  2. Step 2: Convert to fraction form
    134,424.56/185,497.14 = 77,063.18/x
  3. Step 3: Cross multiply
    134,424.56x = 185,497.14 × 77,063.18
  4. Step 4: Simplify right side
    134,424.56x = 14,294,999,489.31
  5. Step 5: Solve for x
    x = 14,294,999,489.31/134,424.56
  6. Step 6: Final answer
    x = 106,342.17

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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.