Home / 134,828.59-186,064.00-74,400.98

Finding the Fourth Proportional to 134,828.59, 186,064.00 and 74,400.98

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Solution

The fourth proportional to 134,828.59, 186,064.00 and 74,400.98 is: 102,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,828.59 : 186,064.00 = 74,400.98 : x
  2. Step 2: Convert to fraction form
    134,828.59/186,064.00 = 74,400.98/x
  3. Step 3: Cross multiply
    134,828.59x = 186,064.00 × 74,400.98
  4. Step 4: Simplify right side
    134,828.59x = 13,843,343,977.63
  5. Step 5: Solve for x
    x = 13,843,343,977.63/134,828.59
  6. Step 6: Final answer
    x = 102,673.66

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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.