Home / 134,828.00-186,071.13-77,485.67

Finding the Fourth Proportional to 134,828.00, 186,071.13 and 77,485.67

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Solution

The fourth proportional to 134,828.00, 186,071.13 and 77,485.67 is: 106,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,828.00 : 186,071.13 = 77,485.67 : x
  2. Step 2: Convert to fraction form
    134,828.00/186,071.13 = 77,485.67/x
  3. Step 3: Cross multiply
    134,828.00x = 186,071.13 × 77,485.67
  4. Step 4: Simplify right side
    134,828.00x = 14,417,845,245.35
  5. Step 5: Solve for x
    x = 14,417,845,245.35/134,828.00
  6. Step 6: Final answer
    x = 106,935.10

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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.