Home / 119,825.78-166,058.60-118,134.50

Finding the Fourth Proportional to 119,825.78, 166,058.60 and 118,134.50

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Solution

The fourth proportional to 119,825.78, 166,058.60 and 118,134.50 is: 163,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,825.78 : 166,058.60 = 118,134.50 : x
  2. Step 2: Convert to fraction form
    119,825.78/166,058.60 = 118,134.50/x
  3. Step 3: Cross multiply
    119,825.78x = 166,058.60 × 118,134.50
  4. Step 4: Simplify right side
    119,825.78x = 19,617,249,681.70
  5. Step 5: Solve for x
    x = 19,617,249,681.70/119,825.78
  6. Step 6: Final answer
    x = 163,714.77

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.